Echo pushed docker image on feature branches

Mateusz Żebrakrequested to merge
mzebrak/echo-dockerimage into develop

Found by @agrabowska

It's useful when testing the Clive version on a specific branch. We currently have such an echo on stable (develop, master) images. But before the latest docker image naming rules changes, we also had this on feature branches.

Edited by Mateusz Żebrak

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