Silence output from dotfiles-autoupdate
Silence output from installing Heroku plugins
Silence output from installing packages
Ignore errors when Emacs is already installed
Stop setting up autoupdate during dotfiles-install
Stop installing Powerline
Update Ruby versions
Fix Vim setup script
Update cabal during dotfiles-update
Merge pull request #26 from jcf/fix-dotfiles-install

Fix some issues with dotfiles-install