Merge into master from pull request #2128: pull request for BT-95 BT-44 (https://github.com/bigswitch/bigswitchcontroller/pull/2128)

Conflicts:
	bigfloodlight/src/main/java/com/bigswitch/floodlight/linkdiscovery/BigLinkDiscoveryManager.java

Add tunnelPortsUpdated variable to help track if tunnel ports were added or not when updates are applied.

Replace REST calls in load balancer module to use internal static flow pusher calls

Remove three dependent libraries accordingly.

Conflicts:
	bigfloodlight/src/test/java/com/bigswitch/floodlight/tunnelmanager/TunnelManagerPollTest.java

Arrgggh. Only whitespace changed.

retract ProducerConsumer unit test - will redo as junit before adding back

Floodlight-30

Floodlight-40-Small logical error, allowed me to push infinite rules with the same dat...

Refactoring of tunnel links/ports, link discovery, forwarding base, and appropriate modifications to unit tests.

Producer/consumer registration service.

Add isOutgoingDiscoveryAllowed(), isIncomingDiscoveryAllowed(), and getDiscoveryActions() as methods to facilitate changes to discovery procedures easily.

Squashed commit for floodlight subtree update glitch

commit 3dcd02cfb2f8b3feb07f6c63ded633cf00ec71f1
Merge: cb8ca45 54e49e5
Author: kwanggithub <kwang@clemson.edu>
Date:   Fri Dec 28 13:23:35 2012 -0800

    Merge branch 'master' of github.com:bigswitch/bigswitchcontroller

commit 54e49e5813c04d950ede1d07e22d6508b42ba8df
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Fri Dec 28 11:59:32 2012 -0800

    Fixed tab characters issues

commit 6cc3b75f036fbfd9fbd4b6c17d759b8d2bacdefb
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Fri Dec 28 11:41:48 2012 -0800

    Fix the merge conflicts and compile warnings/failures

commit 261573a7a4322001849040780c3cd247ef81d4cb
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Fri Dec 28 11:23:25 2012 -0800

    This reverts commit 5e115c8ca4b12796f33b26ae6d0909459332f27f.

commit 3c9e71dbfd221accf86162dfdd66caefdfd82a42
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Fri Dec 28 11:09:31 2012 -0800

    This reverts commit 7a6776833b6a12f84321b2243e6c5ae393676383.

commit 9170f5b0d2eacb44d21cb1df9c4e8f0e202b4bc1
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Fri Dec 28 09:32:56 2012 -0800

    Fix for unit-test failure for Link Discovery Manager test.

commit cb8ca45484cfba13b05ea56ca1dfb6627985bc1b
Merge: a4cdc05 3fbea3d6
Author: kwanggithub <kwang@clemson.edu>
Date:   Thu Dec 27 17:55:22 2012 -0800

    Update Floodlight subtree

    Conflicts:
    	floodlight/src/main/java/net/floodlightcontroller/core/internal/Controller.java (fixed empty lines)

commit a4cdc059ebcd07a0e681dd0d564fb3a35c16eb19
Merge: 3af431d 599a4a33
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Thu Dec 27 17:12:45 2012 -0800

    Merge branch 'master' of github.com:bigswitch/bigswitchcontroller

commit 3af431d401a53fec31a85b6af63836ed155700f0
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Tue Dec 11 18:08:57 2012 -0800

    BT-52 : Code check-in for tcam full handling. This will change the runtime status to reflect tcam full. It will also cleanup the policy.

commit 958f522f7be90aea76ec3f11ac11b89a5587d8b1
Author: Sandip Shah <sandip.shah@bigswitch.com>
Date:   Wed Nov 28 12:59:19 2012 -0800

    Commit

update IRoutingService javadoc

remove unused jar commons-logging-1.1.1.jar from /lib and build.xml 

Serialization support for the DPID