* Slide the password fields down whenever they are shown.
* Add slideUp/slideDown, fadeIn/fadeOut to dom-jquery.js

* Remove the signup page and all remnants of it.

* If the user types in a known secondary, redirect the user to the signin page.
* If the user manually clicks the "new to persona?" or "Existing account?" links, clear the stored email address.

* If the user enters an unknown secondary email, redirect them to the /signup page.
* If the user arrives with a known secondary email in storage, show the password field.

fixes #2116

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

issue #1716

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.

* 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

* Change the layout so that the entire form area gets the scroll bar for languages that use a lot of text or if the user has a lot of email addresses.
* Change the way the privacy policy and buttons are rendered so JS is not needed to set the width of the privacy policy.
* Put the TOS on its own line.
* Put "Always sign in using this email" on its own line
* Change the order of the "Forgot your password?" button and "password" label so that Germanic languages render the entire thing on one line.
* Remove the "Sign in using" header text.

issue #1300
issue #1286
issue #1275
issue #1274
issue #1272
issue #1262
issue #1261

close #918

* Took some code from the signup page.
* Moved the "open primary auth" window to page_helpers.
* cleanup of authenticate.js and page.js.
* convert signin to be based on a Module.

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

close #658

* 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

close #519

* 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

Add a noscript tag to signin and signup stating to use these features, Javascript must be enabled.

issue #510

Starting on error messages for sign in page.

issue #364

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.