Mac (vim): Remove backup section of update script
Mac (vim): Fix update script

It's always tricky working with moving directories on the command
line...
Mac (vim): Add syntastic, remove vim-multiple-cursors
Mac (zsh): Remove backup section of update script
Mac (zsh): Remove zshrc backup
Mac (tmux): Remove backup section of update script
Mac (git): Remove backup section of update script
Mac (vim): Change cursor when in insert mode