TT#7570 Add Conflicts against pacemaker/corosync packages

These packages cannot coexist, and the newer packages do not provide
Conflicts/Replaces fields, so we need to do that from this side, to
force removal of the old heartbeat-2 package.

Change-Id: I39b166d731872f5cde02efe2a2e49440085e2fca

debian/control

@@ -90,9 +90,13 @@ Provides:
  libstonith0,
 Conflicts:
  cluster-agents,
+ cluster-glue,
  heartbeat,
  libpils0,
  libstonith0,
+ pacemaker,
+ pacemaker-cli-utils,
+ resource-agents,
 Replaces:
  libpils0,
  libstonith0,