Don't split up valid boolean expressions as parameters.

This would lead to, e.g., run_by=apipe-tester,status=Unstartable returning
the set of all apipe-tester builds when none are unstartable... which is
unexpected.

run_by=apipe-tester,run_by=apipe-builder should still translate to an "or".
updated ur submodule to 5a1abe9
Update table mapping for user roles.
Merge branch 'master' of ssh://git/srv/git/genome :(
relocated dgi tests
clinseq command tester supresses stdout/stderr to avoid jenkins issues, and for cleanliness
Merge branch 'master' of ssh://git/srv/git/genome
update clinseq drug interaction counts test to use tester module