Some bugfixes, some tidying and a couple of new features.

Some relatively minor updates on top of the recent bigger changes...
* Javascript which is common to all pages has been moved into `base.js`
* More ZenDesk ticket states are properly formatted
* Browser tab titles now show page header
  * Closes #101.
* Made the _Pending Projects_ page load with the column default _Order Status_
* Deleted all unused static Javascript files