Adjusted robot GUI for new font renderer's char aspect ratio (auto-sizes now).
Extracted the commonly used progress bar code into a common class.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into master-MC1.7.10

Conflicts:
	src/main/scala/li/cil/oc/client/Textures.scala
	src/main/scala/li/cil/oc/client/gui/Robot.scala
	src/main/scala/li/cil/oc/client/gui/RobotAssembler.scala
Meh.
Merge branch 'master' of github.com:MightyPirates/OpenComputers into master-MC1.7.10