improve i18n of main site - strings for translators should not include site implementation details (links, ids, etc) - this prevents accidental breakage and allows us to change our ids and links without requiring retranslation.  closes #2093

Change the placeholder for the verification password from "Repeat Password" to "Verify Password" to match the dialog.

issue #1923

issue #1895

A lot of cleanup to make the site smoother, IE8 fixes, removing dead code, make the arrow transition smoother.

* On the main page, update card with new design.
* Simplify a lot of styles and layout.
* Clean up the "about page"
* Using css transitions for the arrow slide.
* Change all BrowserID text to Persona.
* Fix a problem on the main site where the footer would was not at the bottom in Webkit and Opera browsers.
* Fix the background color or IE8 in the signUpForm and congrats messages.
* When signing in to the main site, use a tooltip instead of error message on incorrect password.

* A lot of bulk changes to both the main site and dialog.  Updated color schemes, background colors, etc.

* Move #thisIsNotMe button handler from the page_module to pick_email.
* Remove extra tests for the authenticate controller.
* use the alias for BrowserID.User in helpers.js
* Add password fields to the forgot page.

* Secondary links all are some shade of dark grey/black with a dotted underline.
* Change the font used on the "about" page to be the standard Helvetica Neue except for the header.
* Change the style of link in the TOS/PP to black text with a dotted underline.
* Loads more link updates!
* A lot of cleanup to remove duplicate `color: #549fdc` entries by using the action class.
* On the main site, put the action links to the far left of the main button.
* Reduce the amount of "forgot password" CSS by generalizing.
* Generalize the yellow banner on the main site.

issue #702

issue #758

* Change the text from "use another" to "use another email address"
* Make the link bold so that it stands out.

issue #623

* Replace all the input[type=submit] with buttons so that we can set the line-height.
* Use common CSS between all buttons.

close #658

* Unifying both the message (with slight variation for current action) and the styles across dialog and main site.
* Adding a throttling message to the signup page.
* Adding a couple of page helper functions to take care of showing notifications.
* Adding the ability to go "back" in all of the main site email sent notifications in case of error.
* When going "back" after sent email, ensure the stored email is restored.

close #579
close #577

* Starting to unify the error code between the main site and the dialog.
* Trying to figure out how to share templates.
* Adding loads more unit tests to main site.

issue #542

* user->requestPasswordReset now verifies user exists, handles throttling.
* add unit tests for the forgot page.
* do home grown form validation on the email.
* Print appropriate error messages and tooltips.

close #515

* stricter checks on email format - limit local, domain, and total lengths
* set maxlength of email fields in HTML

close #513

close #464

No longer depend on id's, class names work better for this case and reduce the JS logic.

issue #510

Putting the js to handle form submission into the respective ejs file until we have a good way of separating form elements and binding onto individual forms.

initial push toward the new design.  this is only for the site and does not include the popup.  serveral places are broken and marked with a XXX for fixing.

Conflicts:

	browserid/static/css/style.css

initial push toward the new design.  this is only for the site and does not include the popup.  serveral places are broken and marked with a XXX for fixing.