UNITY UI: credit bundle purchasing.
UNITY UI: Committed Tooltip System.
Changed: free and paid currency event names to standard and premium
Merge branch 'UnityUI' of https://github.com/SocialPlay/CloudGoodsSDK into UnityUI

Conflicts:
	Assets/Resources/SocialPlaySettings.asset
	Assets/SocialPlay/Examples/Grid System.unity
	Assets/SocialPlay/Examples/PremiumCurrencyPurchase.unity
	Assets/SocialPlay/Scripts/Store/PurchaseBundles/PremiumCurrencyBundleStore.cs