* src/graph/ngraph.hh: New file. * src/graph/Makefile.am: Add it. * src/graphtest/ngraph.cc, src/graphtest/ngraph.test: New files. * src/graphtest/Makefile.am: Add them
* src/graph/graph.hh, src/graph/Makefile.am, src/graphtest/graph.cc, src/graphtest/graph.test, src/graphtest/defs.in, src/graphtest/Makefile.am: New files. * src/Makefile.am, configure.ac: Add graph/ and graphtest/. * README: Mention these directories.