Things have been hopping in the land of Ubuntu lately, with the operating system securing a pending date with Steam, an appearance on the Nexus 7 and an April 25 launch for version 13.04. Now the OS is getting another extra hop in its step as word of a "future Ubuntu SDK" was dropped at a recent developer summit in Copenhagen. The powers-that-be mentioned the need to start discussions in order to define potential criteria for assessing technologies