Authorizing the negotiation of a supplementary payment rate for a certain group residential housing (GRH) facility located in Hennepin county serving chemically dependent clientele; removing a certain provision specifying the ineligibility of certain alcohol or drug addicted persons for general assistance (GA), general assistance medical care (GAMC), group residential housing and the Minnesota family investment program-statewide (MFIP-S); appropriating money to the commissioner of human services for payment involved (ra)