Added code to dump a DOT file with the dependency graph when -report dump-dep-graph=2 is given.
Added code to dump a DOT file with the dependency graph when
-report dump-dep-graph=2 is given.

xcv58/polyglot,liujed/polyglot-eclipse,liujed/polyglot-eclipse,liujed/polyglot-eclipse,blue-systems-group/project.maybe.polyglot,blue-systems-group/project.maybe.polyglot,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,liujed/polyglot-eclipse,xcv58/polyglot,blue-systems-group/project.maybe.polyglot,xcv58/polyglot