Fixes README to include saharaclient info
Fixes README to include saharaclient info

Change-Id: Ie4a8a6fdc4cc4a0fe4793d85d0f89e45add2c040

dims/heat,dragorosson/heat,takeshineshiro/heat,gonzolino/heat,dragorosson/heat,noironetworks/heat,miguelgrinberg/heat,srznew/heat,jasondunsmore/heat,pshchelo/heat,srznew/heat,pratikmallya/heat,jasondunsmore/heat,openstack/heat,maestro-hybrid-cloud/heat,steveb/heat,steveb/heat,rdo-management/heat,dims/heat,takeshineshiro/heat,openstack/heat,cwolferh/heat-scratch,noironetworks/heat,maestro-hybrid-cloud/heat,pratikmallya/heat,cryptickp/heat,rh-s/heat,gonzolino/heat,rh-s/heat,miguelgrinberg/heat,pshchelo/heat,cryptickp/heat,cwolferh/heat-scratch,rdo-management/heat