Changes

Summary

1. try to fix robot deadlocks (commit: 93c2859) (details)
2. fix #2179, fix #2185 (commit: df7b082) (details)

Commit 93c28597b4eb8156decf5f249565159a497687fa by kontakt try to fix robot deadlocks (commit: 93c2859)
	common/buildcraft/core/TickHandlerCore.java (diff)
Commit df7b082c2563cf30bbb5c5478426a5b1ead88202 by kontakt fix #2179, fix #2185 (commit: df7b082)
	common/buildcraft/transport/pipes/PipePowerWood.java (diff)
	common/buildcraft/builders/TileBuilder.java (diff)