update path in bashrc for the heroku toolbelt
add reattach-to-user-namespace to tmux.conf
update spell checking in vim
update spelling hints in hints.txt
Update vim's markdown bundle submodule
Update vim's unimpaired bundle submodule
Update vim's tagbar bundle submodule
Update vim's surround bundle submodule
Update vim's pathogen bundle submodule
Update vim's nerdtree bundle submodule
Update vim's liquid bundle submodule
Update vim's javascript bundle submodule
Update vim's indent-guides bundle submodule
Update vim's fugitive bundle submodule
Add airline submodule bundle to vim
Remove vim's powerline bundle submodule
Add a few small setting to vimrc for airline