cleared commit logs
Merge remote-tracking branch 'origin/3.0' into 3.0

Conflicts:
	hazelcast/src/main/java/com/hazelcast/wan/WanNoDelayReplication.java
[WIP] - Trying to fix migration dead-lock.
Compile fix.
Cleanup.
Fixed broken import which causes a build failure
Cleanup and improvements for transaction api.
Test fix.
implemented missing methods like executor service and atomic number
Merge branch '3.0' of github.com:hazelcast/hazelcast into 3.0
Small improvements.
Merge branch '3.merge' into 3.0
Merge branch '3.0' of github.com:hazelcast/hazelcast into 3.0
Multimap Txn Classes and PutOperation
Merge branch '3.0' of github.com:hazelcast/hazelcast into 3.0
Multimap Txn Remove Operation
Compilation fix.
Cleanup.
Multimap Txn Test
Merge branch '3.0' of github.com:hazelcast/hazelcast into 3.0