Script binding updates.
Another small batch of fixes and updates to the UI system.
Updated almost all of the GameScreen UI code to the new system.  Still need to finish the callbacks and Grid container.
Merge branch 'master' of github.com:BlackToppStudios/Mezzanine
Merge branch 'master' of github.com:BlackToppStudios/Mezzanine
Fixed console output for the Mezzanine programs that rely on it.
A number of bug fixes and convenience updates throughout the UI system.
Further progress on the GridContainer widget.
Minor fixes to Catch.