sbt/sbt — pull request #707 by jsuereth (2013-03-12 16:49:19+00:00)
Title: Fixes #706 - Binary Compatibility lost in Launcher.

This checks to see if the new `crossVersionedValue` is actually implemented
by an AppID and delegates to the deprecated `crossVersioned` method if
there are any issues. This preserves the binary compatibility from
folks using Launcher interface pre-0.13 and post-0.13.