[vim] add vim-json bundle
[vim] add supertab plugin
[tmux] update some colors and bindings
[zsh] take ruby version out of rprompt
[zsh] disable rvm
[vim] 2-space tabs for javascript
[vim] ignore some html syntax warnings
[vim] re-enable highlighting inspector (\hi)
[vim] update html5 syntax
[vim] update a bunch of plugins

syntastic
gitgutter
javascript
rails
ruby
surround