* The master zones are the default set of zones unless explicitly set
* The master count is the number of master zones unless explicitly set
* We then round-robin around the zones
* We append a suffix -1, -2, -3 if there are more masters than zones
* We trim prefixes to keep etcd member names short
Fix#1653
One commit from the always incredible @kris-nova was incorporated here, it was to
check for tags in `kutil/delete_cluster.go`. She was a major driver and instrumental in getting
this to where we aere now!
By testing with data from various schema versions, we effectively check
that they are equivalent.
Also this uncovered a few places where we were not strictly ordering
things - add some sorts in there.