fix(db): remove duplicate line from MSSQL create

related to CAM-465
fix(test): remove String == in MultiInstanceTest

- replace String == with String.equals()

related to CAM-466
chore(build): add dependency to server runtimes

- make server assemblies attach the assembled server builds
- add declarative maven dependencies from test-runtimes to
  server-assemblies
- unpack assemblies
- fix arquillian and maven cargo configurtions

related to CAM-462