Added nerdcommenter and supertab vim plugins

.gitmodules

@@ -4,3 +4,9 @@
 [submodule "vim/bundle/nerdtree"]
 	path = vim/bundle/nerdtree
 	url = git://github.com/scrooloose/nerdtree.git
+[submodule "vim/bundle/nerdcommenter"]
+	path = vim/bundle/nerdcommenter
+	url = git://github.com/scrooloose/nerdcommenter.git
+[submodule "vim/bundle/supertab"]
+	path = vim/bundle/supertab
+	url = git://github.com/ervandew/supertab.git

vim/bundle/nerdcommenter

@@ -0,0 +1 @@
+Subproject commit b28e7be63235982501ab7dd30c03ea7feef7b095

vim/bundle/supertab

@@ -0,0 +1 @@
+Subproject commit 80ec6539e4139a2e0281a0f1e36d5038d55ad980