Move Couchdb Repositories from core that are needed by Connector, Use profiles to make Couchdb dependent classes optional

[githengi]

• Move Couchdb Repositories from core that are needed by Connector

• Fix units tests, use Postgres repositories for Unit tests

• Remove spring-web dependencies

• Tag Atomfeed classes bean with Atomfeed profile, so they are loaded when the profile is active

• Tag Rapid Pro and DHIS2 dependent bean with the respective profiles