Rename package inline with agreed package naming for Galera variants.
Fixup Breaks/Replaces for all upstream repo and Debian possibilities
More tweaks for compatibility with other galera packaging
Merge branch 'master' of https://github.com/javacruft/debian-percona-xtradb-cluster-galera-3.x into javacruft-master

Conflicts:
	debian/control
Merge James package rename and fixup.