Changed LLDP's in topodiscovery to real src mac (https://github.com/floodlight/floodlight/pull/45)

Was sending all zeros for the LLDP's source mac
address.  Changed to use the sending interface's
MAC as advertised from OFPhysicalPort

Don't print out an incorrect warning about floodlight.modules on startup

Extra checks to event history in REST API. (https://github.com/floodlight/floodlight/pull/43)

Changed FloodlightModuleContext to create/return an empty configuration parameter map if a module requests it and it doesn' exist.

add per port broadcast cache hit counter and expose them through debug REST API (https://github.com/floodlight/floodlight/pull/42)

Per module configuration parameters and change the way we look for Floodlight config files. (https://github.com/floodlight/floodlight/pull/41)

Conflicts:
	src/main/java/net/floodlightcontroller/core/internal/Controller.java

1 - Specified via the command line using -cf <properties file>
2 - Loading config/floodlight.properties if it exists
3 - Using the default src/main/resources/floodlightdefault.properties that is built into the jar.

Initial support for OVS-style role request messages and maintaining connections with switches in a backup role [#23366119].
Added REST API to get/set the current role of the controller [#2336329].
Added simple health check REST API [#23364299].
Fixed off-by-one error in the message code values for the role request/reply messages.

Use Java properties (either via config file or command line) for per-module specific configuration files. Note: This obsoletes previous command line configuration properties apart from -cf (configuration file).

Some cleanups (https://github.com/floodlight/floodlight/pull/39)

Move getData from OFMessageFilterManager to OFMessage and remove the dependency of CoreModule on IOFMessageFilterManagerService.

New TopologyManager.  Previous TopologyImpl would simply do link discovery.  Cosmetic refactoring (renaming etc.) would be done separately.

Updates to BroadcastTree data structure; Renaming of IRoutingEngineService to IRoutingService; Updates to signatures of IRoutingService interface methods.

Introduce ILinkDiscovery as the base class from which ILinkDiscoveryService and ILinkDiscoveryListener are extended.  Introduce link types in ILinkDiscovery.  The link type is sent to all listeners.

Re-write of the Static Flow Entry Pusher. This one uses memory storag… (https://github.com/floodlight/floodlight/pull/38)

Re-write of the Static Flow Entry Pusher. This one uses memory storage notifications and supports more actions.