Removed viewport "OVERSCAN ENABLED" indication because of bgl module deprecation.
Bugfix: if you have applied an overscan in a scene at least once, then disabling the overscan will reset the resolution and focal length to the old ones. Now it respects original resolution and focal length changes when overscan is disabled.
Changed Overscan panel location to be part of resolution settings.
"Overscan size" parameter is back
Initial release.