added 5 sec timeout to connection
decreased thread number of client execution service
minor fix
fix TTL overflow and some refactorings
Fixed classloading if classes are not in the default classloader but tccl
Merge pull request #2305 from eminn/fix/TTLOverflow-master

fix TTL overflow and some refactorings
Merge pull request #2306 from noctarius/fix-classloaderutil-master

Fixed classloading if classes are not in the default classloader but tccl
mark submitCallableToMember_withMultiExecutionCallback as problematic
Merge branch 'master' of https://github.com/hazelcast/hazelcast
Added fail calls to make sure exception is thrown
5 more questions/answers added
Merge pull request #2294 from gurbuzali/connection-timeout/3.3

added 5 sec timeout to connection
Implemented jclouds-based mechanism for discovering potential nodes for a cluster.
Replaced AWS join configuration with aforementioned mechanism.
Implemented Google Compute Engine support, as well.
Refs #2312