Moved building infinispan 5.3.0-SNAPSHOT into profile as it requires version that is not in maven. Fixed some inconsitencies in pom.xml and pom-links.xml
Added example configuration for Infinispan52 in accordance to run the 5-minute tutorial
Statistics with histogram of response times
* REQ_PER_SEC includes transactional overhead, REQ_PER_SEC_NET has the original value
* Moved some strings to constants