Merge remote-tracking branch 'origin/developtest' into developtest

Conflicts:
	src/main/java/net/floodlightcontroller/linkdiscovery/internal/LinkStorageImpl.java
	src/main/java/net/onrc/onos/util/GraphDBConnection.java
	src/test/java/net/floodlightcontroller/core/internal/ControllerTest.java
	src/test/java/net/floodlightcontroller/linkdiscovery/internal/LinkStorageImplTest.java
	start-cassandra.sh