enable couchdb migrations

We want to be able to run couch db migrations explicitly - not during every restart of the webapp with changed models.

This way we can separate the admin and the normal couch usage.

(from redmine: created on 2013-03-06, closed on 2013-03-07)

• Relations:
  • child #1915 (closed)
  • child #1916 (closed)
  • child #1917 (closed)
  • child #1918 (closed)
  • child #1919 (closed)