Changes

Summary

1. Update Mantle, further thin TCon env checks, move optifine detection out (details)

Commit d19d4d4a0cac9f982806cd857ef4b8bc6d93f946 by Sunstrike Update Mantle, further thin TCon env checks, move optifine detection out to Mantle.
	build.properties (diff)
	src/main/java/tconstruct/client/event/EventCloakRender.java (diff)
	src/main/java/tconstruct/util/EnvironmentChecks.java (diff)