Update Node.gitignore

Updated link for the dependency directory from [this](https://npmjs.org/doc/faq.html#Should-I-check-my-node_modules-folder-into-git) to [this](https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-).

Author: joreyaesh

Node.gitignore

@@ -21,7 +21,7 @@ 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
+# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-
 node_modules
 
 # Users Environment Variables