Updates fugitive to current master.
Updates rails to current master.
Updates nerdtree to current master.
Changing terminal background to light, too.
Removing window resize on vimrc load.
Adds vimoutliner bundle.
Switches to default OS X bash.

Homebrew.
Adds /usr/local/sbin to PATH.
Adds Vagrantfile to ruby filetypes.
Updates fugitive.
Updates nerdtree.
Updates syntastic.
Updates rails.
Updates powerline.