edit market price alert
stop marketTimetTask
 ->getDefaultExchangePrice
no catch exception when has privatekey
fix import private key qr code
fix string not found
edit qr code colors
edit qr code
darker green qr code
fix transaction confidence listener memory leak
fix immure transaction confidence listener
fix btc to money button resume
edit option bottom margin
Merge branch 'release/0.0.6' into develop