Before running awesome, a configuration file needs to be created.
Copy the provided /usr/local/share/examples/awesome/rc.lua to
~/.config/awesome/rc.lua and modify as necessary.

To migrate a custom rc.lua from version 3.4.x to version 3.5.x, see
http://awesome.naquadah.org/wiki/Awesome_3.4_to_3.5
