Remove delay in ESC in vim.
Enable 256 colors in tmux.
Switch to molokai colorscheme.
Use 256 colors in mintty/cygwin.
Add slashes to directory symlinks on tab.
Remove vi mode.

I don't use it, and it's confusing when I accidentally enter it.
Add config reload hotkey.
Change flag on escape-time.

Not sure if it makes any difference, but most tmux.conf files I've found
on github use these flags.
Make the tmux status bar gray.
Fix TERM for gnome-terminal.
Allow transparent background in vim.
Add vim as difftool/mergetool.
Add fugitive.
Make vundle config a proper standalone vim config.

http://gmarik.info/blog/2011/05/17/chicken-or-egg-dilemma
Delete comment.
Add airline. Switch from minibufexpl->bufferline.
Remove unused move-lines mappings.

I'd like to use them, but the keys conflict with my window navigation
mappings, and I can't think of anything better.
Remove indent rehighlighting because it breaks '.'
Remove jk maps.
Organize vimrc.