fix uninstall requirements in deployment

add standalone script scripts/uninstall-requirements.sh to do this locally as well
Merge branch 'attrib-fixture' into autostaging
Merge branch 'es-pp' into autostaging
Merge branch 'daily_form' into autostaging
Merge branch 'vellum-includes' into autostaging
Merge branch 'stock-status-fix-again' into autostaging
Merge branch 'cloudcare-resume' into autostaging
Merge branch 'uninstall-requirements' into autostaging
update submodule refs