.gitignore in tabs_on_rails-2.1.1 vs .gitignore in tabs_on_rails-2.2.0

@@ -1,4 +1,11 @@
+# Bundler
 .bundle
-.idea
 pkg/*
-rdoc
+Gemfile.lock
+
+# RVM
+.rvmrc
+
+# YARD
+.yardoc
+yardoc/