[OPENENGSB-3675] moved fasterxml.jackson version to root
Merge pull request #870 from mipe/master

[OPENENGSB-3675] fixed fasterxml.jackson version
fixed checkstyle errors
fixed failing EDB integration test
[OPENENGSB-3490] Deleted obsolete manuals from domains
[OPENENGSB-3490] Deleted obsolete manuals from connectors