store public key on disk as a certificate which has embedded creation time.  use that as the value returned in /wsapi/session_context as domain_key_creation_time - now you can update keys at any time and outstanding client certs are expired automatically - closes #599

update jwcrypto, now issued_at is part of certificate.  in frontend code compare server time, issued_at, and domain_key_creation_time to determine if a cert has expired.  (previously, clock skew could cause certs to be regened every single time.  hawt.) issue #599

frontend checks to invalidate keys that were issued before the last time the domain key was updated - #599

(loadgen) implement assertion generation in loadgen client, hook up signup and signin flows - issue #504

* Added forgotpassword_controller, forgotpassword.ejs, and forgotpassword_controller_unit_test.
* Updated the authenticate controller/template/tests to remove the forgotpassword stuff.
* Added several more tests to the authenticate suite.
* Hooking up the expanded forgot password flow for "required email".
* Unifying the styles between the "required email" screen and the normal flow.

issue #608

* Creating addemail_controller, addemail_controller_unit_tests, and addemail.ejs.
* Shrink down pickemail_controller, and pickemail.ejs.
* Update a lot of the pickemail_controller unit tests to be more complete.
* Account consolidation is again possible.

close #607
close #612

* Moving dialog specific helpers to dialog/resources/helpers.js
* Adding unit tests for the resources helpers.
* Added completion callbacks to all helper functions.
* Updated appropriate code using those callbacks.

issue #611

* Instead of using the JSMVC DOM binding methods, use ones defined in page_controller.
* On stop, auto remove all DOM events.
* Simplifying the creation of the pickemail controllers.

issue #609

(loadgen) now starts up, generates 30 keypairs, adds 30 users - simulated signup mostly updated to new apis - issue #504

revert accidental change introduced in commit d0af61dd - don't generate ephemeral DSA1024 domain keys - all ephemeral domain keys are RSA1024 till we decide to change this (based on thought, data, and stuff)

moved back to fragment-identifier based communication for the relay-frame name, should address #590 and #596

* To tooltip, for testing, adding a field "shown" that is true when a tooltip is shown.
* Making sure the tooltips show up under add emil, create user, and forgot password.

close #591

unregister the dialog callbacks from relay frame so that on second click we wait for the new callbacks to be registered, fixes #589

* Cancel causes the user to go back to the previous screen.
* Cancel causes the network polling to stop.

close #587

Conflicts:
	resources/static/dialog/controllers/required_email_controller.js

Conflicts:
	resources/static/dialog/controllers/dialog_controller.js

* Taking a lot of code from the pick email controller and putting it into helpers.
* Starting to hook up to the state machine in dialog controller.
* Starting the "start/stop" functions in page_controller with hopes of moving to modules.
* Work on both the log in of a signed in user and log in of an unauthenticated user who is known.