Merge pull request #17 from bionel/master

kogaion-artwork-core, finally :P
Kogaion, not sabayon. Remanigested.
Repaired the ebuild
S is autodeclared as workdir
So we declare it to workdir/PN
Fixed the symlink. It now compiles
Someone forgot exactly what we need most: Plymouth Kogaion theme
Refreshing last modifications and moving to Kogaion fully