removing reference to FARSIGHT tutorial re:LOCI
using latest-develop redirects for downloads
Tidying from Mark
Merge pull request #655 from hflynn/11955-further

removing reference to FARSIGHT tutorial re:LOCI_tools
Update download link in side menu
Merge pull request #657 from hflynn/rebased/develop/downloads_links

using latest-develop redirects for downloads (rebased onto develop)