generalized approach to collecting item drops after robot actions, so item drops from actions other than block breaks are collected (e.g. wrench on ic2 machines), closes #131; now also applying robot tool efficiency to electric items (via ue3)
Merge branch 'master' of https://github.com/MightyPirates/OpenComputers into MC1.7

Conflicts:
	src/main/scala/li/cil/oc/server/component/robot/Player.scala