Updated to require at least Automake 1.7.  Need at least Automake 1.6 to recognize the rule for requiring a minimum version.
Updated to require at least Automake 1.7.  Need at least Automake 1.6 to
recognize the rule for requiring a minimum version.

markwkm/pg_top,mw2q/pg_top,markwkm/pg_top,markwkm/pg_top,mw2q/pg_top,mw2q/pg_top