Also get rid of IOFSwitchFilter which is unused

* consolidate store after SLAVE->MASTER transition
* more unit tests for Controller and OFChannelHandler
* fix some issues found while unit testing

Remove portBroadcastDomainLink map from link discovery as it does not affect correctness.  Remove unused variable and uncalled method.

bootstrap a cluster without needing to use SyncClient manually
2) Configure sync service to use authenticated connections by default
3) Set up VM with a default set of authentication credentials which
at the moment are simply generated a VM build time.
4) Some improvements to cleanup of netty to avoid leaving around
non-daemon timer threads that prevent clean shutdown.

Conflicts:
	bigfloodlight/src/test/java/com/bigswitch/floodlight/bvs/virtualrouting/internal/VirtualRoutingTest.java

to account for the fact that the quarantine port processing rate has
increased from 5 ports/100 msec to 10 ports/100 msec

Add quarantine port count for rest call to /controller/status/summary
Increase quarantine batch size from 5 to 10

Conflicts:
	bigfloodlight/src/main/java/com/bigswitch/floodlight/BigOFSwitchImpl.java
	floodlight/src/main/java/net/floodlightcontroller/core/OFSwitchBase.java
	floodlight/src/main/java/net/floodlightcontroller/core/internal/Controller.java
	floodlight/src/test/java/net/floodlightcontroller/util/OFMessageDamperMockSwitch.java

Work in progress. Code and testing is in, some plumbing still missing.

Add support for autobootstrapping a cluster without relying on manul configuration or configuration in cassandra