Changed overlay name

The overlay will now contain all environments (staging and production) organized 
using categories
Moved hackbytes source ebuild to ebuilds directory.

This directory will contain source ebuilds and is the only place where ebuilds 
can be modified. The category directories will contain generated ebuilds created 
by the build server.
Moved hackbytes ebuild into it's own directory.
generated ebuild for puppet-nitelite-62