added URL Service for redtube.com
removed logging functionality.
PBS - update since "original_location" is no longer available
Merge pull request #447 from mikedm139/cbc

CBC - update URLPattern
Merge pull request #446 from mikedm139/pbs

PBS - update since "original_location" is no longer available
Fallback - If nothing is found, try again and pretend to be a desktop browser.
Merge pull request #344 from flownex/master

added URL Service for redtube.com
RedTube - Check for video id in the URL pattern.
RedTube - Use JSON output from API.
Metacafe - Check if media:content/@url is not empty.
4tube - New service
4tube - Add TestURLs function.
Fallback - Fix ampersands in URLs.
Merge pull request #448 from mikedm139/cbc

CBC - make url patter more specific again
CBS - fix for "Classic" episodes
Merge pull request #449 from mikedm139/cbs

CBS - fix for "Classic" episodes
CBS - remove the ".flv" from the clip for rtmp args
Merge pull request #450 from mikedm139/cbs

CBS - remove the ".flv" from the clip for rtmp args
ComedyCentral - update and add separate service for Tosh
ComedyCentral - catch more full episodes