Mention vim-git-inline-diff in README
Add more alternatives.
Fix typo.
Add Vundle instructions.
Disable diff colors to fix file name grep.
Work with all shells, not just bash.
Add another alternative.
Change command names to follow GitGutterXxxx.
Change public function names to match command names.
Run GitGutter when focus is gained.

This updates the signs on the current file when you return to GUI vim.
For example, you make some changes in Vim, tab to your shell and commit
them, then tab back to Vim; at this point you want the signs to update
automatically for you.
Add a related plugin.
Merge branch 'master' of github.com:airblade/vim-gitgutter