Refactored structure of core components to work with openflowj-loxi.
Presently refactoring Routing, Firewall, Forwarding, DeviceManager,
LinkDiscovery, Topology, and LearningSwitch.
Hub has been refactored.

Issue#447

Update Cluster.java

added override for port value in FallbackCCProvider

Removed redundant code that added new link set mappings to the instance hashmap.

amend to PR #443

added exception handling for the device curl call in the circuitpusher app.

List ports on virtual network

Make Firewall POST method return the ruleid

hosts

host's mac address

Redundant_type_cast

Restore computeEntryCookie() functionality

Fix packet tracer API

add match method in OFMatch

Makes Floodlight's Static Flow Pusher compliant with RFC 2616

This commit removes the StaticFlowEntryStoreResource as discussed
in the pull messages at: https://github.com/floodlight/floodlight/pull/420

Floodlight's Static Flow Pusher REST interface expects "posted data"
for DELETE requests. It uses this posted data to identify which entry
should be deleted. However, the RFC 2616 states that resources
to be deleted using the DELETE method should be identified by a
URI (not by posted data):
http://www.w3.org/Protocols/rfc2616/rfc2616-sec9.html#sec9.7

This is a problem when you try to use a spec-compliant framework to
communicate with the REST interface provided by StaticFlowEntryPusher
module. The Restlet framework, that is being used in the implementation
of the module itself, is an example. It prevents you from posting data with
a DELETE method, according to what is specified in the HTTP1.1 RFC.

Add a logback-test.xml default logging config for good measure to hide
the SyncManager log spam at debug level

Fixed floodlight default properties file

Floodlight subtree merge

Issue #406 continued

    1) Ability to ask for last N events
    2) Events now show up with most-recent-first
    3) Including ThreadName as one of the columns
    4) Ensuring moduleName and eventNames in URL do not include '/'
    5) Removing dead code in Event.java
    6) Updating unit tests

accomodating the CLI)