entry task scheduler sort entries and map store write processor  improvement

Conflicts:
	hazelcast/src/main/java/com/hazelcast/map/MapStoreWriteProcessor.java
	hazelcast/src/main/java/com/hazelcast/util/scheduler/SecondsBasedEntryTaskScheduler.java
	hazelcast/src/test/java/com/hazelcast/map/mapstore/MapStoreTest.java
entry task scheduler sort entries and map store write processor  improvement
make comparator static
add log messages
some merge fix
revert eviction test
add log messages
Merge pull request #1236 from ahmetmircik/secondsBasedEntryScheduler_maintenance

entry task scheduler sort entries and map store write processor  improvement