Fix alembic migrations importing app

Ensure we connect to loaded config db

config_app/config_endpoints/api/tar_config_loader.py

@@ -4,7 +4,9 @@ import cStringIO
 
 from flask import request, make_response
 
-from config_app.c_app import config_provider
+from data.database import configure
+
+from config_app.c_app import app, config_provider
 from config_app.config_endpoints.api import resource, ApiResource, nickname, validate_json_request
 
 logger = logging.getLogger(__name__)
@@ -25,4 +27,10 @@ class TarConfigLoader(ApiResource):
         # TODO(sam): refactor config provider to accept a stream write to avoid loading into memory
         config_provider.load_from_tarball(config)
 
+        # now try to connect to the db provided in their config
+        combined = dict(**app.config)
+        combined.update(config_provider.get_config())
+
+        configure(combined)
+
         return make_response('OK')