Made GroupManager a DinnerPerms based resolver
Add Stained Glass to usesData HashSet

fixes an issue with held stained glass' damage value always being set to zero (white) when using the item-durability: false option
Merge pull request #304 from roastnewt/patch-1

Add Stained Glass to usesData HashSet
Merge pull request #302 from DarkArc/hotfix/groupmanager

Made GroupManager a DinnerPerms based resolver
Update to Forge 1.7.10-10.13.1.1225
Remove NBTTagEnd, it isn't possible to create it
Merge pull request #305 from kenzierocks/feature/forge-1.7.10

Update Forge version to 1.7.10.