Filled properly quick reveive address in dashboard

Our apologies for the people who already sent money to the previous address.
We'll try to reward you.
Finish tests for coinjoin, missing some part to be done when we're
checking signatures.
Merge branch 'develop' of https://github.com/darkwallet/darkwallet into develop
Add some missing coverage.
Adding unit tests for djbec.
QR scanner now notifies an error when the camera is turned off.
Added support for bitcoin QR that includes amount.
remove useless cruft and link dh_test so we can run it from outside.
run the internal dh test.
Merge branch 'develop' of https://github.com/darkwallet/darkwallet into develop
Add unit tests for the encryption module.
update TODO.
Factor pocket code into its own model module.
Improve coverage for contacts.
Add unit test for frontend/channel_link.
Small renaming and documenting.
Add a seen property to new tasks.
improve the multisig fund and tasks views.
Complete description.
Add a search form in contacts area.