Hook up the reset-password screen to "I forgot my password" & other fixes.

* Ensure the checkboxes are checkable.
* Ensure the TOS/PP links go to the TOS/PP screens.
Use data attributes on section elements to declare whether navigation is forward/back only and whether the progress bar is shown or hidden.
Create a Firefox Account Enter Email module.

Module should check the validity of an email address, and if valid, determine which screen to go to next.
Hook up the FirefoxAccountCreatePassword module that does input validation.
Hook up the enter email screen, add FirefoxAccountStates which is an enum of state names=>URL hashes.
Hook up signup success, password reset success