merge removal of ETag and Last-Modified when serving resources from perma-urls ala cachify.  closes #1143 closes #1141

merge fix for selecting email addresses by clicking on label in iOS into dev - closes #1133 closes #1137

See https://github.com/mozilla/connect-cachify/commit/b85c91d5ce7f6fc4e7682e1091c24d6fb19afe29

Changing the case of the buttons from upper to lowercase.

issue #1113

Removing the "text-transform: lowercase" on all buttons.

Adding a 20px left and right margin to the delay, wait, and error screens

* Add a handler to the label surrounding the radio button.  If clicking on label, select address.
* Add a test to check for requirement.

close #1133

Fixing long email addresses (and some other general layout fixes) in pick_email.

close #1113

* Long email addresses stay on one line and show an ellipsis when too long.
* Cleaning up some of the button placement so that things are more lined up.

close #1100

Cherry picking the cookies enabled check and test from the feature_835_cookies_disabled branch.

close #1117

This is to inform iOS users whose cookies have been disabled during a sync that they need to turn their cookies on.

close #1056

issue #892

close #892

vary session cookie name by public_url when public_url is not browserid.org - this addresses issues which affect testing with IE when cookies are set for both, diresworb.org and dev.diresworb.org.  closes #296.

don't require the user to sign in with a password as a side effect of using a primary email address.  closes #1049

upgrade postprocess to 0.2.4, really unblocks issue #835 - this version of postprocess includes more extensive tests to verify that it's usage does not interfere with various supported semantics of express.

upgrade to postprocess 0.2.2 which doesn't use buffertools which monkey patches Buffer.equals() and conflicts with node-gettext.  closes #1080

use HTTP 429 for throttling responses.  closes #1083

update wsapi to return a body of 'Bad Request: no cookie' when a CSRF check fails because no cookie was sent from the client - issue #835, issue #1056

close #130