Fix floodlightdefault properties to remove the sync torture module.

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

Floodlight release 0.90

Merge into master from pull request floodlight#198:

Make getLinkType() in LinkDiscoveryManager public. (floodlight#198)

Fix an issue causing infinite broadcast loops in OpenFlow topologies …

…that have loops.

Tagging version 0.8

Added jython shell for debug in field

RC2 candidate for release.asplus