added some things to xmonad.hs: resizableTile layout, auto-lock after 5 minutes, auto-numlock on login, and some ewmh optimization to get around the avoidstruts being slow
Merge branch 'master' of https://github.com/glennhartmann/dotfiles
made tmux default in zshrc instead of screen
increase zsh history limit
bunch more tmux fine-tuning, making it more screen-like