Minor: changed parallel query logging level to debug
Merge branch '1.7.1' of https://github.com/orientechnologies/orientdb into 1.7.1
Merge branch '1.7.1' of https://github.com/orientechnologies/orientdb into 1.7.1
Merge branch '1.7.1' of https://github.com/orientechnologies/orientdb into 1.7.1
Merge branch '1.7.1' of https://github.com/orientechnologies/orientdb into 1.7.1
Updated Hazelcast to last 3.2.2
Distributed: cleaned cfg
Minor: improved javadoc