Implement part 2 of #148, two separate control panel visibility states, which are saved across sessions.
Merge branch 'master' of https://github.com/jp9000/OBS
Fix performance issue warning on int -> boolean conversion.
Review by chat: Fix settings loading, clean up ProcessPanelVisible().
Merge branch 'master' of https://github.com/jp9000/OBS
Merge branch 'master' of https://github.com/jp9000/OBS
Merge branch 'master' of https://github.com/jp9000/OBS
Merge pull request #159 from ThoNohT/master

Change control panel visibility handling according to #148