Update Oomph setup
Update Oomph setup

- update Jetty to 9.3.17.v20170317
- update Orbit to S20170306214312
- update API baseline to 4.7.0.201704051617-r

Change-Id: I1ffe33ca2583fc2007dc42d5b63d188a6ab046e2
Signed-off-by: Matthias Sohn <446760a3fbea85cd5f8f4f5c3de304fe3a38014f@sap.com>
collaborative-modeling/egit,collaborative-modeling/egit