Merge branch 'stable-4.7' into stable-4.8

* stable-4.7:
  Prepare 4.7.5-SNAPSHOT builds
  JGit v4.7.4.201809180905-r
  Update API problem filter

Change-Id: I9a9abcd2e48e19295d537241c951308cd0210019
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>