Merge pull request #1696 from melonmanchan/jspm-ignore

Ignore JSPM package folder

Node.gitignore

@@ -23,8 +23,9 @@ coverage
 # Compiled binary addons (http://nodejs.org/api/addons.html)
 build/Release
 
-# Dependency directory
+# Dependency directories
 node_modules
+jspm_packages
 
 # Optional npm cache directory
 .npm