heat clients : Fix --timeout option for heat-boto
heat clients : Fix --timeout option for heat-boto

Fix boto client wrapper so it passes the timeout value to boto

fixes bug 1135970

Change-Id: Ic1d242cf038e9244c8fb2efc65659cd6f9976df3

gonzolino/heat,noironetworks/heat,dims/heat,redhat-openstack/heat,pratikmallya/heat,openstack/heat,rickerc/heat_audit,cwolferh/heat-scratch,NeCTAR-RC/heat,maestro-hybrid-cloud/heat,srznew/heat,rdo-management/heat,cryptickp/heat,takeshineshiro/heat,takeshineshiro/heat,Triv90/Heat,srznew/heat,varunarya10/heat,cwolferh/heat-scratch,openstack/heat,rickerc/heat_audit,noironetworks/heat,Triv90/Heat,ntt-sic/heat,steveb/heat,citrix-openstack-build/heat,cryptickp/heat,jasondunsmore/heat,dragorosson/heat,dragorosson/heat,JioCloud/heat,citrix-openstack-build/heat,ntt-sic/heat,redhat-openstack/heat,NeCTAR-RC/heat,rh-s/heat,maestro-hybrid-cloud/heat,pshchelo/heat,jasondunsmore/heat,steveb/heat,gonzolino/heat,pshchelo/heat,rdo-management/heat,miguelgrinberg/heat,JioCloud/heat,miguelgrinberg/heat,varunarya10/heat,dims/heat,pratikmallya/heat,rh-s/heat,Triv90/Heat