Redirect bug

#3049 
If redirected from an external link, show only the url as text:
/species/c_elegans/transcript/ZK131.5?from=http://www.example.com#05--10?from=http://www.example.com

If redirected from url/uri Not starting with http, show the marked up link - to an internal page:
/species/c_elegans/transcript/ZK131.5?from=/species/c_elegans/gene/WBGene00001885#0-e-3