Update Infinispan and JGroups configuration files

Modifications:
 * disable recovery in Infinispan (set by default in 5.2)
 * remove duplicate JGroups config file
 * update JGroups reliable protocols to NAKACK2 and UNICAST3
 * commenting TCPGOSSIP in jgroups-tcp.xml (used when IP-multicast is not available (e.g. amazon)) and setting MPING as default
 *  minor updates in some values.