Add partial backup at create and join
Hold on backup page until all copayers made a full backup
Add full backup stage with user feedback
Change SIN to ID
Update tests
Add tests
Skip partial backup on 1-1 wallet
Fix importing partial backup
Fixes:

* Save config in localStorage
* Show forced networkName in settings Page
add tests to localencrypted
Merge pull request #849 from yemel/feature/backup-wallet

Wallet Backups
more tests
.
Merge pull request #873 from matiu/feature/test01

Feature/test01
Merge pull request #872 from cmgustavo/bug/01-config-storage

Fixes: save config in localStorage
better procedure to create firefox add-on
add sign/verify scripts to npm package.json
Merge pull request #875 from matiu/feature/extensions

Feature/extensions I merge this one myself, since these are only minor changes on scripts.
add support for 8 byte big endian nonce to Message

...network protocol is backwards incompatible with previous network protocl.
also includes a second version number for backwards-compatible changes (the
original version number was for backwards-incompatible changes).
Fixes:
* Boxes for small and large devices.
* Unified "go back" buttons.
* Notifications style.
* Tooptips style.