Update CastingChannelBlock.java

Un-derping the Casting Channel
Update CastingChannelLogic.java

Un-derping the Casting Channel
Update BlockRenderCastingChannel.java

Un-derping the Casting Channel
Update CastingChannelDataProvider.java

Un-derping the Casting Channel
Update CastingChannelLogic.java

Un-derping the Casting Channels
Update TControls.java

Fixed possible nullpointer exception
Merge pull request #420 from BluSunrize/master

Un-derping the Casting Channels