fixes implicit unmarshalling from form-data

the implicit unmarshaller was always found, since it was
not a special one, but the broadest possible. this lead
to using any unmarshallers and requests with form-data
were not processed
more robust tests

use different db name for each test in Mongo-Test
to avoid clashes;
avoid use of mongodb in other tests
prepare 0.1.2
set next version
Merge branch '0.1.x'

Conflicts:
	project/Sitebag.scala