Shelf label rework
Revert "Shelf label rework"

This reverts commit c89c69b439b43d252c9f751bbee6863fd7f37a9f.
Merge branch 'master' of https://github.com/pecinko/skin.amber
Merge branch 'master' of https://github.com/pecinko/skin.amber
Update shelf labels
Use same widget content for music video clips and concerts
Set add ons 6-10 only when first 5 slots are used
Don't show shelf bg if no add ons are set
Wider shelf item labels
Hide concerts and clips in plexbmc mode
Merge pull request #14 from atoiva/master

Shelf labels and some other small changes