Appended ".activites" to package name of package containing activities.
Moved some NFC things to NFCManager class.
Moved startNFCReceive() to NFCManager.
Moved stopNFCReceive() to NFCManager.
Moved checkNdefRecord() to NFCManager.
Moved CreateNdefMessageCallback to NFCManager.
Moved NFC Intent handling to NFCManager.handleIntent()
Added NFCManager.willHandleIntent() and made NFCManager.handleIntent() return NFC message contents.
Added UserInfo class and sort of started using it in NFCActivity and NFCManager.
Added UserInfo serialization to and deserialization from Base64 encoded strings and initial attempt at transmitting UserInfo over NFC.
Added error handling for UserInfo serialization and deserialization.
Added NFCManager.setCurrentUser() so the info to be sent over NFC can be set.
Merge branch 'nfc_manager'