Story 580: New page menu

Add a new menu under the page title

* Adds support for (un)watching articles for non javascript users
* Adds talk page link for non javascript users
* Update photo uploader to work from the menu rather than a full screen
CTA
* New watch star icon
* Ensure backwards compatibility with old HTML (checked against HTML in
I9b4f41c96a9b497634b71c889bf7628c44ad5be7)

Change-Id: Ib9a11206dcf4242b7eff0177a410f27288258a9e