Fix ignore of root folders

Author: atd

.gitignore

@@ -125,19 +125,19 @@ build/Release
 # Dependency directory
 # Commenting this out is preferred by some people, see
 # https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git
-node_modules
+/node_modules
 
 # Users Environment Variables
 .lock-wscript
 
 
 ### Bower ###
-bower_components
+/bower_components
 
 **/#*#
 
 # Local configuration
-config.js
+/config.js
 
 # Destination folder
-www/
+/www/