ManageDocks: when there are struts on opposing edges, the right/bottom strut was ignored.  TODO: quickchecks
ManageDocks: when there are struts on opposing edges, the right/bottom strut
was ignored.  TODO: quickchecks


MP2E/XMonadContrib,reenberg/XMonadContrib,reenberg/XMonadContrib,MP2E/XMonadContrib