Revert "ISPN-4782 Drop the Mux Channel block in favour of a FORK protocol in the"

This reverts commit c150200b20018bbe9c2862764582b110abed6f59.
ISPN-4864 Drop the JGroups FORK protocol until we can properly support it
ISPN-4776 - The topology id for the merged cache topology is not always bigger than all the partition topology ids
ISPN-4825 Add JMX/DMR operation to change the availability mode of the partition

Add availability change operation to LocalTopologyManager, AdvancedCache,
and the Cache JMX MBean.
ISPN-4825 Add JMX/DMR operation to change the availability mode of the partition

Security action
fix compilation errors
Fix CacheAuthorizationTest
Move cache-availability from metrics to cache and make it writable