Update mongo setup.sh for docker autoconfig

The setup.sh script itself creates not only the test database, but also
the starbucks collection which is used as the persistent repository in
our sink application. In addition to that it gives our testUser
readWrite permissions on that entire database.

docker/mongo/setup.sh

@@ -7,4 +7,4 @@ mongo --port 27017 \
     -p 'example' \
     --authenticationDatabase 'admin' \
     --host mongo.localhost \
-    --eval  "db.createCollection('test'); db.getSiblingDB('test').createUser({user:'testUser', pwd:'testPassword', roles:[{role:'readWrite',db:'test'}]});"
+    --eval  "db.createCollection('starbucks'); db.getSiblingDB('test').createUser({user:'testUser', pwd:'testPassword', roles:[{role:'readWrite',db:'test'}]});"