Deleted some junk from Orf.pm. Minor changes elsewhere.
Documentation changes to Orf.pm.
Added Orf::output() switch to print quality associated data. Added Orf::dump() over-ride alias to Orf::output(-dump=>1) for convenience.
Started building Genome::families() to resolve recently discovered issue in ohnologComparative2. Good progress but currnetly lots of broken code.