Setup ELPA repositories before "first run" install
Add `bluetooth-applet` to i3 bar
Change colours in urxvt
Disable perl extensions in urxvt
Change default i3 layout
Display only date on i3 status bar
Use `column-enforce` instead of `fci` in Emacs
Use `setq-default` for certain variables in Emacs
Add git alias for `diff --cached`
Update `README.md`