commit before pull
1. Adding some serializers.
2. Use the serializer for some object.
3. Fix the bug in the buildRoute method on the ToplogInstance
1. Fix the error for /wm/core/controller/switches/json restapi.
2. Use the custom serializer for IOFSwitch.
Merge pull request #3 from hwchiu/openflow-1.3#3

Openflow 1.3#3
Merge branch 'master' of https://github.com/rizard/floodlight

Conflicts:
	src/main/java/net/floodlightcontroller/core/web/SwitchStatisticsResource.java
OFStatsReply custom serializer. Works for OFFlowStatsReply presently.
Merge pull request #4 from hwchiu/openflow-1.3#4

Openflow 1.3#4
Merge Hung-Wei's #3 pull request
Merge branch 'master' of https://github.com/rizard/floodlight
Incorporate Hung-Wei's and my stats reply and other REST API changes. A couple of bug fixes from Hung-Wei too.
Merge branch 'openflow-1.3', remote-tracking branch 'upstream/master' into openflow-1.3