Remove project type from data model and UI

* Removed project_type and project_group from default data
* Add module groups automatically, one per organization
* Removed project type from UI code
* Enforced patterns in schema of default data

This patch changes format of data stored in memcached. The service
needs to be restarted and memcached filled from scratch.

Change-Id: I737712025142d3b2acc2e83c4cc238a194703872
Merge "Remove project type from data model and UI"