mozilla/gaia-ui-tests — pull request #846 by zacc (2013-05-21 14:55:04+00:00)
Title: Change Persona app object wait to wait for loading class to clear

Thanks to @shanetomlinson completing this code request we have a clear event in Persona from which we know Persona is ready for us to use:
https://github.com/mozilla/browserid/issues/3318

`v1-train` -> Tested ok
`v1.0.1` -> Tested ok
`desktop` -> Untested.