High: Introduce two new cluster types 'cman' and 'corosync', replaces 'quorum_provider' concept
Both new types use CPG for messaging and are only accessible when

Pacemaker is started by the new MCP

Clean up the various flavors of corosync initialization.
Only connect to CPG by default for 'cman' and 'corosync', only

crmd needs a quorum or cman connection

Mercurial revision: 47e1ac3e1d42c9c17169652eacaa83a136d1165e