Better Error for Pipe Render
Merge branch 'master' of https://github.com/BuildCraft/BuildCraft
Pipe Chunk Boundary Optimization

Liquid and Power pipes will no longer query unloaded chunks for
neighbors. Item pipes however will continue to do in order to prevent
item spewing.
fix to addToRandomInventory not providing the correct side
fixed some space/tabs things (exactly eclipse did it for me...)
fixes #875
Merge branch 'upstream' into 1.5.2