Rename `nvm copy-packages` to `nvm reinstall-packages`, and `--copy-packages-from` install option to `--reinstall-packages-from`

For #341. `nvm copy-packages` and install option `--copy-packages-from` will continue to be supported for for at least a full minor release version.
diff --git a/README.markdown b/README.markdown
index bdf9007..29372e9 100644
--- a/README.markdown
+++ b/README.markdown
@@ -146,8 +146,9 @@
 nvm
 
 	$ nvm [tab][tab]
-	alias          copy-packages  help           list           run            uninstall      version
-	clear-cache    deactivate     install        ls             unalias        use
+    alias               deactivate          install             ls                  run                 unload
+    clear-cache         exec                list                ls-remote           unalias             use
+    current             help                list-remote         reinstall-packages  uninstall           version
 
 nvm alias
 
diff --git a/bash_completion b/bash_completion
index 4287e20..27d882e 100644
--- a/bash_completion
+++ b/bash_completion
@@ -18,10 +18,10 @@
   current_word="${COMP_WORDS[COMP_CWORD]}"
 
   COMMANDS='\
-    help install uninstall use run exec\
-    alias unalias copy-packages
-    current list ls list-remote ls-remote\
-    clear-cache deactivate unload
+    help install uninstall use run exec \
+    alias unalias reinstall-packages \
+    current list ls list-remote ls-remote \
+    clear-cache deactivate unload \
     version'
 
     if [ ${#COMP_WORDS[@]} == 4 ]; then
diff --git a/nvm.sh b/nvm.sh
index 54ec117..40a4aa9 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -545,7 +545,7 @@
       echo "  nvm alias [<pattern>]                 Show all aliases beginning with <pattern>"
       echo "  nvm alias <name> <version>            Set an alias named <name> pointing to <version>"
       echo "  nvm unalias <name>                    Deletes the alias named <name>"
-      echo "  nvm copy-packages <version>           Install global \`npm\` packages contained in <version> to current version"
+      echo "  nvm reinstall-packages <version>      Reinstall global \`npm\` packages contained in <version> to current version"
       echo "  nvm unload                            Unload \`nvm\` from shell"
       echo
       echo "Example:"
@@ -611,32 +611,35 @@
 
       VERSION="$(nvm_remote_version "$provided_version")"
       ADDITIONAL_PARAMETERS=''
-      local PROVIDED_COPY_PACKAGES_FROM
-      local COPY_PACKAGES_FROM
+      local PROVIDED_REINSTALL_PACKAGES_FROM
+      local REINSTALL_PACKAGES_FROM
 
       while [ $# -ne 0 ]
       do
-        if [ "_$(echo "$1" | cut -c 1-21)" = "_--copy-packages-from=" ]; then
-          PROVIDED_COPY_PACKAGES_FROM="$(echo "$1" | cut -c 22-)"
-          COPY_PACKAGES_FROM="$(nvm_version "$PROVIDED_COPY_PACKAGES_FROM")"
+        if [ "_$(echo "$1" | cut -c 1-26)" = "_--reinstall-packages-from=" ]; then
+          PROVIDED_REINSTALL_PACKAGES_FROM="$(echo "$1" | cut -c 27-)"
+          REINSTALL_PACKAGES_FROM="$(nvm_version "$PROVIDED_REINSTALL_PACKAGES_FROM")"
+        elif [ "_$(echo "$1" | cut -c 1-21)" = "_--copy-packages-from=" ]; then
+          PROVIDED_REINSTALL_PACKAGES_FROM="$(echo "$1" | cut -c 22-)"
+          REINSTALL_PACKAGES_FROM="$(nvm_version "$PROVIDED_REINSTALL_PACKAGES_FROM")"
         else
           ADDITIONAL_PARAMETERS="$ADDITIONAL_PARAMETERS $1"
         fi
         shift
       done
 
-      if [ "_$(nvm_ensure_version_prefix "$PROVIDED_COPY_PACKAGES_FROM")" = "_$VERSION" ]; then
-        echo "You can't copy global packages from the same version of node you're installing." >&2
+      if [ "_$(nvm_ensure_version_prefix "$PROVIDED_REINSTALL_PACKAGES_FROM")" = "_$VERSION" ]; then
+        echo "You can't reinstall global packages from the same version of node you're installing." >&2
         return 4
-      elif [ ! -z "$PROVIDED_COPY_PACKAGES_FROM" ] && [ "_$COPY_PACKAGES_FROM" = "_N/A" ]; then
-        echo "If --copy-packages-from is provided, it must point to an installed version of node." >&2
+      elif [ ! -z "$PROVIDED_REINSTALL_PACKAGES_FROM" ] && [ "_$REINSTALL_PACKAGES_FROM" = "_N/A" ]; then
+        echo "If --reinstall-packages-from is provided, it must point to an installed version of node." >&2
         return 5
       fi
 
       if [ -d "$(nvm_version_path "$VERSION")" ]; then
         echo "$VERSION is already installed." >&2
-        if nvm use "$VERSION" && [ ! -z "$COPY_PACKAGES_FROM" ] && [ "_$COPY_PACKAGES_FROM" != "_N/A" ]; then
-          nvm copy-packages "$COPY_PACKAGES_FROM"
+        if nvm use "$VERSION" && [ ! -z "$REINSTALL_PACKAGES_FROM" ] && [ "_$REINSTALL_PACKAGES_FROM" != "_N/A" ]; then
+          nvm reinstall-packages "$REINSTALL_PACKAGES_FROM"
         fi
         return $?
       fi
@@ -667,8 +670,8 @@
               mv "$tmpdir" "$(nvm_version_path "$VERSION")"
               )
             then
-              if nvm use "$VERSION" && [ ! -z "$COPY_PACKAGES_FROM" ] && [ "_$COPY_PACKAGES_FROM" != "_N/A" ]; then
-                nvm copy-packages "$COPY_PACKAGES_FROM"
+              if nvm use "$VERSION" && [ ! -z "$REINSTALL_PACKAGES_FROM" ] && [ "_$REINSTALL_PACKAGES_FROM" != "_N/A" ]; then
+                nvm reinstall-packages "$REINSTALL_PACKAGES_FROM"
               fi
               return $?
             else
@@ -713,8 +716,8 @@
         $make $MAKE_CXX install
         )
       then
-        if nvm use "$VERSION" && [ ! -z "$COPY_PACKAGES_FROM" ] && [ "_$COPY_PACKAGES_FROM" != "_N/A" ]; then
-          nvm copy-packages "$COPY_PACKAGES_FROM"
+        if nvm use "$VERSION" && [ ! -z "$REINSTALL_PACKAGES_FROM" ] && [ "_$REINSTALL_PACKAGES_FROM" != "_N/A" ]; then
+          nvm reinstall-packages "$REINSTALL_PACKAGES_FROM"
         fi
         if ! nvm_has "npm" ; then
           echo "Installing npm..."
@@ -1003,7 +1006,7 @@
       rm -f $NVM_DIR/alias/$2
       echo "Deleted alias $2"
     ;;
-    "copy-packages" )
+    "reinstall-packages" | "copy-packages" )
       if [ $# -ne 2 ]; then
         nvm help
         return 127
@@ -1013,7 +1016,7 @@
       PROVIDED_VERSION="$2"
 
       if [ "$PROVIDED_VERSION" = "$(nvm_ls_current)" ] || [ "$(nvm_version $PROVIDED_VERSION)" = "$(nvm_ls_current)" ]; then
-        echo 'Can not copy packages from the current version of node.' >&2
+        echo 'Can not reinstall packages from the current version of node.' >&2
         return 2
       fi
 
diff --git "a/test/fast/Running \"nvm install\" with \"--copy-packages-from\" requires a valid version" "b/test/fast/Running \"nvm install\" with \"--copy-packages-from\" requires a valid version"
deleted file mode 100755
index bbd7cbb..0000000
--- "a/test/fast/Running \"nvm install\" with \"--copy-packages-from\" requires a valid version"
+++ /dev/null
@@ -1,31 +0,0 @@
-#!/bin/sh
-
-die () { echo $@ ; cleanup ; exit 1; }
-cleanup () {
-  rm -rf ../../v0.10.4
-}
-
-mkdir ../../v0.10.4
-
-. ../../nvm.sh
-
-nvm deactivate >/dev/null 2>&1
-
-INSTALL_ERROR_MSG="$(nvm install v0.10.5 --copy-packages-from=0.11 2>&1)"
-EXPECTED_ERROR_MSG="If --copy-packages-from is provided, it must point to an installed version of node."
-[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
-  || die ""nvm install --copy-packages" should fail when given an uninstalled version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
-
-INSTALL_EXIT_CODE="$(nvm install v0.10.5 --copy-packages-from=0.11 >/dev/null 2>&1; echo $?)"
-[ "~$INSTALL_EXIT_CODE" = "~5" ] \
-  || die ""nvm install --copy-packages" should exit with code 5 when given an uninstalled version, got $INSTALL_EXIT_CODE"
-
-INSTALL_ERROR_MSG="$(nvm install v0.10.5 --copy-packages-from=0.10.5 2>&1)"
-EXPECTED_ERROR_MSG="You can't copy global packages from the same version of node you're installing."
-[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
-  || die ""nvm install --copy-packages" should fail when given the same version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
-
-INSTALL_EXIT_CODE="$(nvm install v0.10.5 --copy-packages-from=0.10.5 >/dev/null 2>&1; echo $?)"
-[ "~$INSTALL_EXIT_CODE" = "~4" ] \
-  || die ""nvm install --copy-packages" should exit with code 4 when given the same version, got $INSTALL_EXIT_CODE"
-
diff --git "a/test/fast/Running \"nvm install\" with \"--reinstall-packages-from\" requires a valid version" "b/test/fast/Running \"nvm install\" with \"--reinstall-packages-from\" requires a valid version"
new file mode 100755
index 0000000..00b6bc6
--- /dev/null
+++ "b/test/fast/Running \"nvm install\" with \"--reinstall-packages-from\" requires a valid version"
@@ -0,0 +1,31 @@
+#!/bin/sh
+
+die () { echo $@ ; cleanup ; exit 1; }
+cleanup () {
+  rm -rf ../../v0.10.4
+}
+
+mkdir ../../v0.10.4
+
+. ../../nvm.sh
+
+nvm deactivate >/dev/null 2>&1
+
+INSTALL_ERROR_MSG="$(nvm install v0.10.5 --reinstall-packages-from=0.11 2>&1)"
+EXPECTED_ERROR_MSG="If --reinstall-packages-from is provided, it must point to an installed version of node."
+[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
+  || die ""nvm install --reinstall-packages-from" should fail when given an uninstalled version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
+
+INSTALL_EXIT_CODE="$(nvm install v0.10.5 --reinstall-packages-from=0.11 >/dev/null 2>&1; echo $?)"
+[ "~$INSTALL_EXIT_CODE" = "~5" ] \
+  || die ""nvm install --reinstall-packages-from" should exit with code 5 when given an uninstalled version, got $INSTALL_EXIT_CODE"
+
+INSTALL_ERROR_MSG="$(nvm install v0.10.5 --reinstall-packages-from=0.10.5 2>&1)"
+EXPECTED_ERROR_MSG="You can't reinstall global packages from the same version of node you're installing."
+[ "~$INSTALL_ERROR_MSG" = "~$EXPECTED_ERROR_MSG" ] \
+  || die ""nvm install --reinstall-packages-from" should fail when given the same version: expected '$EXPECTED_ERROR_MSG', got '$INSTALL_ERROR_MSG'"
+
+INSTALL_EXIT_CODE="$(nvm install v0.10.5 --reinstall-packages-from=0.10.5 >/dev/null 2>&1; echo $?)"
+[ "~$INSTALL_EXIT_CODE" = "~4" ] \
+  || die ""nvm install --reinstall-packages-from" should exit with code 4 when given the same version, got $INSTALL_EXIT_CODE"
+
diff --git a/test/installation/install while copying packages b/test/installation/install while reinstalling packages
similarity index 87%
rename from test/installation/install while copying packages
rename to test/installation/install while reinstalling packages
index 45cafb5..76eb7e5 100755
--- a/test/installation/install while copying packages
+++ b/test/installation/install while reinstalling packages
@@ -23,7 +23,7 @@
 
 nvm ls 0.9 | grep v0.9.7 > /dev/null || die "nvm ls 0.9 didn't show v0.9.7"
 
-nvm install 0.9.12 --copy-packages-from=0.9 || die "nvm install 0.9.12 --copy-packages-from=0.9 failed"
+nvm install 0.9.12 --reinstall-packages-from=0.9 || die "nvm install 0.9.12 --reinstall-packages-from=0.9 failed"
 
 [ -d ../../v0.9.12 ] || die "nvm install 0.9.12 didn't install"
 
diff --git "a/test/slow/nvm copy-packages/Running \"nvm copy-packages $\050nvm ls current\051\" should error out" "b/test/slow/nvm copy-packages/Running \"nvm copy-packages $\050nvm ls current\051\" should error out"
deleted file mode 100755
index e296e7c..0000000
--- "a/test/slow/nvm copy-packages/Running \"nvm copy-packages $\050nvm ls current\051\" should error out"
+++ /dev/null
@@ -1,16 +0,0 @@
-#!/bin/sh
-
-die () { echo $@ ; exit 1; }
-
-. ../../../nvm.sh
-
-nvm use 0.10.28 > /dev/null
-
-EXPECTED_MSG="Can not copy packages from the current version of node."
-ACTUAL_MSG="$(nvm copy-packages 0.10.28 2>&1 > /dev/null)"
-[ "~$ACTUAL_MSG" = "~$EXPECTED_MSG" ] || die "'nvm use 0.10.28 && nvm copy-packages 0.10.28' did not fail with the right message: '$ACTUAL_MESSAGE'"
-
-EXPECTED_ERROR_CODE="2"
-ACTUAL_ERROR_CODE="$(nvm copy-packages 0.10.28  > /dev/null 2>&1 ; echo $?)"
-[ "~$ACTUAL_ERROR_CODE" = "~$EXPECTED_ERROR_CODE" ] || die "'nvm use 0.10.28 && nvm copy-packages 0.10.28' did not fail with the right error code: expected '$EXPECTED_ERROR_CODE', got '$ACTUAL_ERROR_CODE'"
-
diff --git "a/test/slow/nvm reinstall-packages/Running \"nvm copy-packages $\050nvm ls current\051\" should error out" "b/test/slow/nvm reinstall-packages/Running \"nvm copy-packages $\050nvm ls current\051\" should error out"
new file mode 100755
index 0000000..1951b12
--- /dev/null
+++ "b/test/slow/nvm reinstall-packages/Running \"nvm copy-packages $\050nvm ls current\051\" should error out"
@@ -0,0 +1,16 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm use 0.10.28 > /dev/null
+
+EXPECTED_MSG="Can not reinstall packages from the current version of node."
+ACTUAL_MSG="$(nvm reinstall-packages 0.10.28 2>&1 > /dev/null)"
+[ "~$ACTUAL_MSG" = "~$EXPECTED_MSG" ] || die "'nvm use 0.10.28 && nvm reinstall-packages 0.10.28' did not fail with the right message: '$ACTUAL_MESSAGE'"
+
+EXPECTED_ERROR_CODE="2"
+ACTUAL_ERROR_CODE="$(nvm reinstall-packages 0.10.28  > /dev/null 2>&1 ; echo $?)"
+[ "~$ACTUAL_ERROR_CODE" = "~$EXPECTED_ERROR_CODE" ] || die "'nvm use 0.10.28 && nvm reinstall-packages 0.10.28' did not fail with the right error code: expected '$EXPECTED_ERROR_CODE', got '$ACTUAL_ERROR_CODE'"
+
diff --git a/test/slow/nvm copy-packages/setup_dir b/test/slow/nvm reinstall-packages/setup_dir
similarity index 100%
rename from test/slow/nvm copy-packages/setup_dir
rename to test/slow/nvm reinstall-packages/setup_dir
diff --git a/test/slow/nvm copy-packages/should work as expected b/test/slow/nvm reinstall-packages/should work as expected
similarity index 95%
rename from test/slow/nvm copy-packages/should work as expected
rename to test/slow/nvm reinstall-packages/should work as expected
index e599609..4942e6e 100755
--- a/test/slow/nvm copy-packages/should work as expected
+++ b/test/slow/nvm reinstall-packages/should work as expected
@@ -13,7 +13,7 @@
 nvm use 0.10.29
 ORIGINAL_PACKAGES=$(npm list -g --depth=0 | tail -n +2 | \grep -o -e ' [^@]*' | cut -c 2- | \grep -v npm | sort | uniq | xargs)
 
-nvm copy-packages 0.10.28
+nvm reinstall-packages 0.10.28
 FINAL_PACKAGES=$(npm list -g --depth=0 | tail -n +2 | \grep -o -e ' [^@]*' | cut -c 2- | \grep -v npm | sort | uniq | xargs)
 
 [ "$FINAL_PACKAGES" = "$EXPECTED_PACKAGES" ] || die "final packages ($FINAL_PACKAGES) did not match expected packages ($EXPECTED_PACKAGES)"
diff --git a/test/slow/nvm copy-packages/teardown_dir b/test/slow/nvm reinstall-packages/teardown_dir
similarity index 100%
rename from test/slow/nvm copy-packages/teardown_dir
rename to test/slow/nvm reinstall-packages/teardown_dir