[UNITYSDK-146] Default values and Skin changes
[UNITYSDK-145] Minor fix to RoarObjectFactory
[UNITYSDK-148] Login widget added
[UNITYSDK-53] Roar server notification handlers
[UNITYSDK-125] Inventory widget styled and Inspector added

Conflicts:
	src/Assets/Plugins/RoarEngine/DefaultSkins/DefaultRoarSkin.guiskin