Fixes transitions constructors.
Adds FadeAndScaleTransition.
Adds transitions to MokapViews.
Merge pull request #847 from RotaruDan/transitions

Transitions
Minor fixes
Merge pull request #848 from gorco/fix

Minor fixes
Cleaned Views, implementes MokapViews#onBackPressed.
ProjectView and HomeView implement BackListener.
BackListener fix.
Added skin for switch widget
Added switch widget
Revised shadow in app icons
Merge pull request #852 from jtorrente/appicon-shadows

Revised shadow in app icons
Merge pull request #849 from RotaruDan/backButton

Back event implementation.
Merge pull request #850 from gorco/switch

Switch
Missing assets