[HotFix] Fix version in Dockerfile

Create tag for v0.9.0 docker image

[ZEPPELIN-4365] Docker image for 0.8.2 not available on docker hub

Tag for 0.8.2 release

Preparing Apache Zeppelin release 0.8.2

Tag for 0.8.1 docker

Tag release 0.8.1

Preparing Apache Zeppelin release 0.8.1

Fix Dockfile

Preparing Apache Zeppelin release 0.8.0