* help & new exchange icon
* layout tweaks + removed nocopy icons
* sync help
* hide keyboard on spend
* QR Recieve => Receive
* menu tweaking
* use png logo for android < nougat
* gray generate
* position tweak in toolbar
* new exchange icon for wallet balance
* new About Dialog
* enable sending on mainnet
* new version 1.1.6
* dispose transaction on back
* remove unused onExchange method
* gray stuff + some tweaks
* new logo for qr