added supertab remote
Squashed 'vim/bundle/supertab/' content from commit 24780b9

git-subtree-dir: vim/bundle/supertab
git-subtree-split: 24780b946442121ea2862e933ac47ac58c6d8474
Merge commit '930aa43c5a169e4b076d508a91fa78a10ba414b1' as 'vim/bundle/supertab'
small changes