Put node versions >= 0.12 in `versions/node` instead of just `versions`

nvm.sh

@@ -143,7 +143,7 @@ nvm_version_dir() {
   local NVM_WHICH_DIR
   NVM_WHICH_DIR="$1"
   if [ -z "$NVM_WHICH_DIR" ] || [ "_$NVM_WHICH_DIR" = "_new" ]; then
-    echo "$NVM_DIR/versions"
+    echo "$NVM_DIR/versions/node"
   elif [ "_$NVM_WHICH_DIR" = "_old" ]; then
     echo "$NVM_DIR"
   else

test/fast/Listing paths/Running "nvm which 0.0.2" should display only version 0.0.2.

@@ -2,7 +2,7 @@
 
 mkdir -p ../../../v0.0.2
 mkdir -p ../../../v0.0.20
-mkdir -p ../../../versions/v0.12.0
+mkdir -p ../../../versions/node/v0.12.0
 
 . ../../../nvm.sh
 

test/fast/Listing versions/Running "nvm ls" should filter out "versions"

@@ -2,7 +2,7 @@
 
 mkdir ../../../v0.1.3
 mkdir ../../../v0.2.3
-mkdir ../../../versions
+mkdir -p ../../../versions/node
 
 . ../../../nvm.sh
 

test/fast/Listing versions/Running "nvm ls" should list versions in the "versions" directory

@@ -2,7 +2,7 @@
 
 die () { echo $@ ; exit 1; }
 
-mkdir -p ../../../versions/v0.12.1
+mkdir -p ../../../versions/node/v0.12.1
 mkdir ../../../v0.1.3
 
 . ../../../nvm.sh

test/fast/Unit tests/nvm_version_dir

@@ -4,7 +4,7 @@ die () { echo $@ ; exit 1; }
 
 . ../../../nvm.sh
 
-[ "$(nvm_version_dir)" = "$NVM_DIR/versions" ] || die '"nvm_version_dir" did not return new dir path'
+[ "$(nvm_version_dir)" = "$NVM_DIR/versions/node" ] || die '"nvm_version_dir" did not return new dir path'
 [ "$(nvm_version_dir new)" = "$(nvm_version_dir)" ] || die '"nvm_version_dir new" did not return new dir path'
 [ "$(nvm_version_dir old)" = "$NVM_DIR" ] || die '"nvm_version_dir old" did not return old dir path'
 [ "$(nvm_version_dir foo 2>&1)" = "unknown version dir" ] || die '"nvm_version_dir foo" did not error out'

test/fast/Unit tests/nvm_version_path

@@ -7,5 +7,5 @@ die () { echo $@ ; exit 1; }
 [ "$(nvm_version_path foo)" = "$NVM_DIR/foo" ] || die '"nvm_version_path foo" did not return correct location'
 [ "$(nvm_version_path 2>&1)" = "version is required" ] || die '"nvm_version_path" did not error out'
 [ "$(nvm_version_path v0.11.0)" = "$NVM_DIR/v0.11.0" ] || die 'old version has the wrong path'
-[ "$(nvm_version_path v0.12.0)" = "$NVM_DIR/versions/v0.12.0" ] || die 'new version has the wrong path'
+[ "$(nvm_version_path v0.12.0)" = "$NVM_DIR/versions/node/v0.12.0" ] || die 'new version has the wrong path'