Added, lock an absent map key test
Added, map lock exception test
Merge branch 'master' of https://github.com/hazelcast/hazelcast into mapLockTest
Added Passing test for issue

https://github.com/hazelcast/hazelcast/issues/366
cleaned up tests and added comments
Merge branch 'master' into mapLockTest
re fact Tests
Merge pull request #1798 from Danny-Hazelcast/mapLockTest

Map lock test