Merge the tip of origin/release/proposed/2019.2.0 into origin/release/2019.2.0

53ae4d44 Update docker images
d56781ed Update images
229efa8e Update content of maintenance team
1b522f43 Mirroring policy for RabbitMQ
d5f368bd Add all openjdk packages back to offline image
30f57740 Restore "Update Jenkins with Git plugin"
68a169c5 Remove extra lines in ssh key from deremeev keyfile
4c64b830 Add Eremeev Mitya in ssh server team members.

Change-Id: I59e0e9d3c4ce6b298ba14e02615648f253157879