Fixed derp in OpenIRC's /lua command.
Made native library loading less... special-case-laden. Just try each and every shipped library until one works.
Fixed 'screen.getAspectRatio' value being recomputed incorrectly.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into MC1.7

Conflicts:
	src/main/scala/li/cil/oc/util/LuaStateFactory.scala