Version 0.9

Feature-complete release. That is to say,
the patron-visible functionality of the
program is complete, and only cleaning up
and bug fixes stand in our way to 1.0.

* Use https
* Support analytics
* Basic server-side templating
* Can stop contributions
* Photo credits

Change-Id: I85c98c34680d059b8808f40aeffd2ef22ee336ed