Mockup now loads it's own skin initially.
Removed unused check during shapeRenderer pass.
Fixed small Widget positioning bug.
Avoided duplicated code improving ApplicationAssets constructor.
Merge pull request #299 from RotaruDan/mockupFixes

Some Mockup adjustments after the recent prs.
Fixed bug in mode painted of the scene edition
Merge pull request #302 from RotaruDan/PaintView2

Fixed bug in scene edition
Added dependency Ashley Entity-Component framework
Merge pull request #303 from anserran/ashley

Added dependency Ashley Entity-Component framework