1.Use a linked list to stroe all switch dpid
2.complete send function.
3.oxm_match_from_json need modify to support more filds
1. Support /uds/add/{$dpid} (xx:xx:xx:xx..}
Modify simple_restful_manager to support different return code (200,404)
1. Fix bug of simple_restful_manager
2. Controller get the flow_multipart response
Modify the foramt of restful api call-back function,
1. Modify the suffix from ^/uds/get/all to /uds/getall
2. Need to return the json of oxm_match (uds/get)