Archive OMERO and Bio-Formats 4.4 formulas

See https://trac.openmicroscopy.org.uk/ome/ticket/11891

Post 5.0.0 release, `omero` and `bioformats` will be updated to track the 5.0.x line (with `--devel` tracking the develop line). This PR archives the formulas installing the latest 4.4.9 release of OMERO and Bio-Formats. `bioformats44` is also added to the Travis build matrix.