Reduces BrushStrokes initial radius: 2 cm -> .5 cm.
Remoned unnecessary BrushStrokesPicker listeners.
Merge pull request #854 from RotaruDan/drawFixes

Draw fixes
Bugfix
Reorder buttons always enabled
Updated Background selection layer
Meg
API changes
loading/get/unloading methods for Assets
Widget to show images that are changed externally
Test
Added icons
Added switch to change between single and multiple selection
Merge pull request #855 from anserran/asyncimage

Widget to show images that are changed externally
Merge pull request #856 from gorco/multipleSelection

Multiple selection
Projects always returned in the same order
Method for MockPlatform
Logo in skin
Worker executor
Load projects worker