For v1.0:
- Add uicb for sel->border++-- and awesomeconf->border++--
- Remove warnings
- Check spiral layout
- Check togglemax
- Check that all uicb have key binding in default conf
- Allow awesome to be run without any configuration file
- Write manpage

For future:
- Move windows from one place to another with mouse in tiled layout
- draw _NET_WM_ICON