
    423 A.2d 1314
    McGrorey et al., Appellants, v. Obermayer et al.
    Argued March 21, 1979.
    John J. O’Brien, Jr., for appellants; J. Bruce McRissock, for appellees.
    Before PRICE, SPAETH and LIPEZ, JJ.
   The judgment of the lower court is hereby affirmed.  