2 - Update module HA role change actions
3 - Add unit tests for HA role changes

module provides no services.

2 - Log PacketIns with no payload and stop processing
3 - Remove unused IOFController interface

This reverts commit 51ca40a3.

Conflicts:

	src/main/java/net/floodlightcontroller/devicemanager/internal/DeviceManagerImpl.java

Now we will at least get an error message when an Exception occurs
instead of silently killing the thread.
[Forgot to add all files to commit]

Now we will at least get an error message when an Exception occurs
instead of silently killing the thread.

/wm/staticflowentrypusher/list/{switch}/json
{switch} can be 'all' or a DPID in Hex format, i.e. '00:00:00:00:00:00:00:01'

Make static flow pusher into a service (IStaticFlowEntryPusherService). This will allow other Floodlight modules to push static flows without using the REST API.