[Fix bug 968100] Remove functional areas from initial data.

* Remove initial data fixtures.
* Fix test references to FunctionalArea
* Add fixtures for demo functional areas
Merge pull request #625 from johngian/968100-remove-functional-areas

[Fix bug 968100] Remove functional areas from initial data.
[fix bug 964210] Remove remobot from demo_users.
Merge pull request #600 from akatsoulas/964210

[fix bug 964210] Remove remobot from demo_users.