Add artifacts/ for URLs in bfgen.py
Point at the download.oo.org/omero/ page for legacy versions
Fix relative link of artifacts

Landing page are now copied under
downloads.openmicroscopy.org/{omero,bio-formats}/@VERSION@/
Fix snapshot path generation
Minor fixes to the OMERO downloads page
Fix Bio-Formats relative link
Fix Python files to be flake8-compliant
Run flake8 as part of the Travis build
Expose clients for all versions of Ice
Fix Matlab Ice 3.4 MD5 token
Fix misleading Matlab bundle description
Merge pull request #25 from sbesson/449_last_fixes

449 last fixes