Cleaned up group properties.
Fixed getInstanceByName() returning null when called from MembershipListener.
Fixes #516.
Fixed #534.
fixes #535
Merge remote-tracking branch 'origin/3.0' into 3.0
ObjectMapProxy renamed to MapProxyImpl
eviction tests revised
map null key is not allowed
ClientMap issue #537 testcase
Closes #536.
fixes #537
Merge remote-tracking branch 'origin/3.0' into 3.0
Added, improved javadocs.
Fixed javadoc author tags.
Added copyrights.
Merge remote-tracking branch 'origin/3.0' into 3.0

Conflicts:
	hazelcast/src/main/java/com/hazelcast/map/operation/EvictOperation.java
Merged.
Client GenericError handling
Client port retry