formatting of badges
use SVG badges
Merge pull request #682 from maraoz/fix/readme

Fix readme badges (formatting, svg)
Random fix: hide paginator when it has only one page
Add user notifications on transaction signed and rejected events
Merge pull request #678 from yemel/feature/sign-notification

Feature/sign notification
Fixes on storage tests (removes current localStorage)

* Fix test that removes localStorage (made clean() function).
* Enable the test for LocalPlain model.
Merge pull request #686 from maraoz/automatic/backup

Automatic backup after create/join
Merge pull request #687 from cmgustavo/bug/test-storage

Fixes on storage tests (removes current localStorage)
add notification saying backup was created