Merge pull request #1 from Wenzil/master

Sync
Update to make compatible with Unity 4.6b20

EventSystemManager.currentSystem is now EventSystem.current

Replaced the call to inputField.OnPointerClick with inputField.ActivateInputField as it was throwing a null reference exception and no longer giving focus to the input field.
Merge pull request #2 from epidemicz/update_for_unity_4.6b20

Update for unity 4.6b20