URL Login enhancements
URL Login enhancements

Various improvements to the URL login flow
* Do not allow users to log in to sites that have not registered on the
blockchain.
* Make the login authorization dialog when only one account is created a
sheet on OSX.
* Add the client's username to the login request.

bitshares/qt_wallet,dacsunlimited/qt_play,bitshares/qt_wallet,bitsuperlab/qt_play,bitsuperlab/qt_play,dacsunlimited/qt_play