Squashed '.vim/bundle/vim-fugitive/' changes from c99f0ff..c471320

c471320 Cleaner :Git commands
5455785 Override status.short configuration
6f5fd2a Fix fold opening
416165f Check correct window for 'diff' on BufWinLeave
f8bf95b Fix Gblame problems on Windows
46ca737 Fix Gblame documentation

git-subtree-dir: .vim/bundle/vim-fugitive
git-subtree-split: c4713200f76550f3f310fe7e176925d3f4ec1809
Merge commit 'c30c847c3dc2ec66de1dd02afac9f85eb61aa467' into personal