Add second and third left and right panels. edubart#991
Fix problem with directly change setupViewMode from 0 to 2.
Add "Panels" tab in options module.
Move options "Show left panel" and "Move windows to panel" to "Panels" tab from "Game" tab.
Fix UI in "Game" tab options. Fix #23
Add options to change and save setupViewMode.
Improve auto panel change for windows.
Add option to choose destination panel prioritize (right or left). edubart#212
Possibility to switch off right panel (only when left panel is on). edubart#215