Simplify repo by deleting non-essentials

Remove authorization, registration, and cid code and relevant settings
and configuration. These changes lay the groundwork for fixing external
deployment of the app.

Signed-off-by: Aaron Browne <aaron0browne@gmail.com>
Implement db migrations and simple deployment

Add code to support OMOP CDM and Vocab schema instantiation via south
migrations. This changes the previous models significantly. Implement a
migration-friendly version of concept view tables, including a
customized south migration dbops class to refresh the view tables. The
Dockerfile is modified to support deployment using these migrations,
including a custom init script which creates the CDM tables depending on
options set in the .project_config.json (documentation to come in a
README update).

Signed-off-by: Aaron Browne <aaron0browne@gmail.com>
Add new domains and metadata

Signed-off-by: Aaron Browne <aaron0browne@gmail.com>