implemented QR Code Scanner to payoutActivity
included FirstTimeInformation Screen
prepared MainScreen for last 5 transactions, created
ChoosePaymentActivity, adapted NavigationDrawer
added last 5 Transactions to MainScreen
added nfc instruction to mainscreen and open historyview based on
clicked transaction
add animated nfc_instruction image to mainscreen
adapt Login activity, auto fill in last signed in username
hide last 5 transaction title if request times out
set right menu for choose_payment activity
updated activity titles
improved nfc animation
refreshed payIn activity
changed color of info text
renew pay payment
refreshed Receive Payment Activity
fixed offline mode indication
adapt bitcoin address text size
moved including fee text to strings
added action to help button
added nfc in progress loading dialog to abstractPaymentActivity