Avoid Profile.getInstalled() NullPointerException
OnLoginListener: Allow ignore implementation
OnLoginListener: Deliver simpleFacebook instance into onLogin(SimpleFacebook) for flexible
Avoid Profile.getTimeZone() NullPointerException
OnInviteListener: Allow ignore implementation
Allow SimpleFacebook.getActivity()
OnPublishListener add callback onStartPublish
PublishAction: Encapsulate mOnPublishListener for publishImpl()
Allow getAppFriends()