Remove NERD_commenter, add vim-commentary (thanks tpope)

.gitmodules

@@ -25,3 +25,6 @@
 [submodule "vim/bundle/vim-coffee-script"]
 	path = vim/bundle/vim-coffee-script
 	url = https://github.com/kchmck/vim-coffee-script.git
+[submodule "vim/bundle/vim-commentary"]
+	path = vim/bundle/vim-commentary
+	url = git://github.com/tpope/vim-commentary.git

functions

@@ -20,10 +20,10 @@ function rg {
   fi
 }
 
-function rake {
-  if [ -e Gemfile ]; then
-    bundle exec rake $@
-  else
-    command rake $@
-  fi
-}
+# function rake {
+#   if [ -e Gemfile ]; then
+#     bundle exec rake $@
+#   else
+#     command rake $@
+#   fi
+# }