made region identifiers configurable
made region identifiers configurable

shilpi230/mercury,mervick/mercury,mervick/mercury,mediatainment/mercury,tcv-nguyen/spree-mercury,Senhordim/mercury,larquin/mercury,chandresh/mercury,bonekost/mercury,bonekost/mercury,sarink/mercury,shilpi230/mercury,sarink/mercury,bonekost/mercury,Senhordim/mercury,larquin/mercury,sr-education/mercury,mervick/mercury,mediatainment/mercury,sr-education/mercury,larquin/mercury,shilpi230/mercury,mediatainment/mercury,twistir/mercury_cms,sarink/mercury,twistir/mercury_cms,chandresh/mercury,Senhordim/mercury,tcv-nguyen/spree-mercury