Log Message:
-----------
Adding "make dist" target for building distribution tarball
Modified Files:
--------------
sparsegraph:
Makefile (r1.2 -> r1.3)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/sparsegraph/sparsegraph/Makefile.diff?r1=1.2&r2=1.3)