Merge pull request #19 from mnshdw/master

Added a few missing spell ids.
Postmaster-Script
.toc-bump => 8.07
Added failsafe to skins if AddOnSkins is loaded
Added skin for Premade-Groups to the failsafe
Typo
Starting redesign of Classbars
Removed MoP-Raiddebuffs
Update
Change Roleicons
...
Attempt to hide CB-Shield
.toc-bump => 8.08
More failsafe for skins
New Roleicons
Failsafe for AddOnSkins
Fixed a issue with Nameplates in arena
.toc-bump => 8.090
Added option to hide raidunits if raids are below 40 or 30 players
Added option for black background if threatfeature is enabled and option for centered percent display on healthbar