added submodule rope-vim

.gitmodules

@@ -28,3 +28,6 @@
 [submodule "vim/vim/bundle/ctrlp.vim"]
 	path = vim/vim/bundle/ctrlp.vim
 	url = git://github.com/vim-scripts/ctrlp.vim.git
+[submodule "vim/vim/bundle/rope-vim"]
+	path = vim/vim/bundle/rope-vim
+	url = git://github.com/klen/rope-vim.git