
    441 A.2d 794
    Schohn, et al., Appellants v. Mazzarini, et al. v. Jackson.
    Petition for Allowance of Appeal Denied May 3, 1982.
    Argued April 30, 1981.
    William G. Boyle, for appellants; Michael J. Kearney, Jr., for Mazzarini, et. al, appellees; Frederick N. Egler, for Jackson, appellee.
    Before CERCONE, P. J., BROSKY and HOFFMAN, JJ.
   Order affirmed.  