[BUG #8514] Minor lint fixes
[BUG #8514] Combined BaseInit and Init
[BUG #8514] Removed finale method from application startup
[BUG #8514] Refactoring of Init
[BUG #8514] Allow to set the root of a widget
[BUG #8514] Updated mobile skeleton
[BUG #8514] Minor
[BUG #8514] Added first prototype of a new playground.