Replace Bio-Formats downloads page template as HTML page
Replace OMERO downloads page template as HTML template
Replace OMERO and Bio-Formats template names
Exclude relative href links from http check
Remove link to ImageJ movie (not ported to 4.4)
Refactor linkcheck logic in doc_generator

Forum URLs, e.g. http://www.openmicroscopy.org/community/viewforum.php?f=11
were not properly parsed by the current implementation. Replaced the
linkchecking logic using the one from SPhinx linkcheck.
Fix indentation
Fix url variable name
Remove optional argument from Request
Fix broken links condition
Allow to pass milestone by environment variable
Fix legacy downloads URL
Remove sentences about server upgrade from the downloads pages
Merge pull request #15 from sbesson/html_templates

Use html templates