Hook up .tmux.conf
Add ZSH back
Use GUI version of Emacs
Install Ruby headers
Move non-dev stuff to system76.yml
Add gnome-tweak-tool
Add Percona
Add Elasticsearch
Get the correct Ruby 2.1 headers
Add db-rotator and zeus
Add pv
Add redis
Add my.cnf
Add memcached
Add qt4-dev
Add imagemagick
Add a few more missing headers
Add SSD optimizations