Update .gitignore

Author: razor-x

.gitignore

@@ -5,29 +5,42 @@
 # For more details, visit the project page:
 # https://github.com/github/gitignore
 
+# Build directory
+build
+
+# Bower components directory
+bower_components
+
 # Logs
 logs
 *.log
+npm-debug.log*
+
 # Runtime data
 pids
 *.pid
 *.seed
+
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
+
 # Coverage directory used by tools like istanbul
 coverage
+
 # Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
 .grunt
+
 # node-waf configuration
 .lock-wscript
+
 # Compiled binary addons (http://nodejs.org/api/addons.html)
 build/Release
+
 # Dependency directory
-# https://www.npmjs.org/doc/misc/npm-faq.html#should-i-check-my-node_modules-folder-into-git-
 node_modules
 
-## Bower:
-bower_components
+# Optional npm cache directory
+.npm
 
-## Build
-build
+# Optional REPL history
+.node_repl_history