Only refresh assets if balances have changed and refresh is not already in progress. Bumped balance thread updates to 60s
Reduce innecesary calls to the backend and event propagation

Conflicts:
	www/js/AssetTypesController.js
	www/js/service.js
Separate verification from login to avoind double wallet initialization

Conflicts:
	www/js/LoginController.js
Redirect to landing page to reset the app on logout
Add missing }
Syntax fix
Merge pull request #1148 from Nevtep/balance-fix

Only refresh assets if balances have changed and refresh is not already ...