send: Add error if transaction is too big
Add label to intent handler
Handle payment intents
Add cancel button on send
Align send forms html
Respond better to balance updates and exchange rates
Clean form after send
Update balance after send
Merge branch 'feature/sendError' of https://github.com/eordano/copay-mobile into eordano-feature/sendError

Conflicts:
	www/js/controllers/send.js