Add NERDTree.
Switch to vim-airline.
Change airline theme.
Set matchtime.
Add better buffer shortcuts.
Change Airline theme.
Revert "Change Airline theme."

This reverts commit d12b773650cfd8df6bf271fcfbf20c8dbb663eab.
Update neobundle.
Update neobundle.
Update neobundle.
Improve timeouts.
Unmap down arrow for buffer.
Fix insert mode bindings for left and right.
Fix some buffer shortcuts.
Significantly improve C color scheme.
Merge branch 'master' of git://github.com/avp/vimfiles