prep for subtrees
Squashed '.vim/bundle/vim-unbundle/' content from commit b046e7a

git-subtree-dir: .vim/bundle/vim-unbundle
git-subtree-split: b046e7a67100594d4ab0cea22c1fa462554721d2
Merge commit 'fe8b54c8c69ec8b8536c3116d6064798ce4da0de' as '.vim/bundle/vim-unbundle'