Changes

Summary

1. Minor refactors to help JEI compat (commit: f84a45a) (details)

Commit f84a45a5b42bce2a80ccadb806d481dc87c2f341 by AlexIIL Minor refactors to help JEI compat (commit: f84a45a)
	common/buildcraft/transport/gui/GuiGateInterface.java (diff)
	common/buildcraft/silicon/gui/GuiAssemblyTable.java (diff)
	common/buildcraft/factory/gui/GuiHeatExchange.java (diff)
	common/buildcraft/silicon/gui/GuiProgrammingTable.java (diff)
	common/buildcraft/core/lib/gui/Ledger.java
	common/buildcraft/core/lib/gui/GuiAdvancedInterface.java (diff)
	common/buildcraft/silicon/gui/GuiLaserTable.java (diff)
	common/buildcraft/core/lib/gui/GuiBuildCraft.java (diff)
	common/buildcraft/energy/gui/GuiEngine.java (diff)
	build.gradle (diff)
	common/buildcraft/core/lib/gui/LedgerManager.java
	common/buildcraft/core/lib/gui/AdvancedSlot.java (diff)
	common/buildcraft/builders/gui/SlotBuilderRequirement.java (diff)