FacebookAccountLoginActivity: Formatting changes
FacebookAccountLoginActivity: Use field callback as Session.StatusCallback for fbLoginFragment
FacebookAccountLoginActivity: Rename field callback to fbSessionStatusCallback
Create new class FacebookAccount to handle Facebook account
FacebookAccountLoginActivity.fbSessionStatusCallback: Store reference to opened Facebook Session in FacebookAccount class
FacebookAccountLoginActivity: Add TODO for Activity and task handling
Move FacebookAccountLoginActivity and FacebookAccount classes to package org.sanpra.minion.account
FacebookAccount: Add copyright notice
Create new activity MediaShareActivity