moved default internal url setting and used this on creating the CobwebLinks.
made the default internal urls use the base url from the hash.
Moving around the option defaulting code to ensure that the cobweb get and head requests work well.
Merge branch 'master' into cobweb2
GALAXY-784 - Added whitespace to log file to trigger a new revision number for cobweb master to reference in ganymede-784 branch