[submodule "addons/Vim-R-plugin"]
        path = addons/Vim-R-plugin
        url = git://github.com/jcfaria/Vim-R-plugin
+[submodule "addons/supertab"]
+       path = addons/supertab
+       url = https://github.com/ervandew/supertab.git
+[submodule "addons/The_NERD_tree"]
+       path = addons/The_NERD_tree
+       url = git://github.com/scrooloose/nerdtree