Bump the version number of various files
Fixed "button pressed" painting for Normal and Embedded buttons.

The pressed state never looked right. I simply forgot and got used to
it. Now it has finally been fixed.
Set actual grid background color
Fixed StretchDraw() "abstract error" due to DoFreeImage call.
Merge branch 'release-1.2' into develop

This is so we can get the latest bug fixes from the release
branch.