when setLoggedInUser is used, surpress events when the site's notion of a logged in user is the same as that of browserid

purge all references to old persistent/remember me functionality - create local storage that keeps track of where you're logged in - wire up login/logout events to fire as appropriate on page load

Fixing up a bunch of cancel primary verification flows. This is when a user is verifying with a primary and they hit ccancel and are redirected back to BrowserID.

Flows:

* Required email cancel.
* Cancel add user to current account.
* Cancel create new user.

Others Items added.

* Add a "cancel" button to the sample RP.
* Defer how state should be handled for primary user verification from dialog to state.

issue #983
issue #1036

Improve in-source RP for testing.  Now you can fully specify the navigator.id.get() call without writing code - this is not an example for browserid implementors, but rather a local testing tool for browserid devs.  for testing of issue #776

implement a more generic mechanism to enable local testing and development of primary support - allow SHIMMED_PRIMARIES to be provided which stuffs a auth url, provisioning url, and public key in our cache

implement a more generic mechanism to enable local testing and development of primary support - allow SHIMMED_PRIMARIES to be provided which stuffs a auth url, provisioning url, and public key in our cache

* Add a meta tag for screen width.
* Add some CSS that mobile browsers will use to format correctly.

close #747

* Use [].slice instead of [].splice
* Set a charset in the sample RP.

made relay iframe live for the length of the page, and localized some variables. Should now work on ios 5. Fixes #442

remove CORS from repository.  In-repo example now properly forwards requests to verifier from server.  closes #245