Enable creating cluster with wrangler from coopr config
We should be able to spin up clusters with either release or develop versions of cdap with appropriate dataprep app installed. This is required for using dataprep UI.
Right now the workaround is manually installing dataprep app and then using dataprep UI.
Would be good if we can automate it by specifying it in coopr config just like navigator or tracker
wrangler is a git submodule of hydrator-plugins, so this should already be possible. Just specify a branch for hydrator-plugins in the coopr cluster config: