DOM

- Converted DOM and unit test from Parser to CLI.

test/dom.t.cpp

@@ -47,7 +47,7 @@ int main (int argc, char** argv)
   {
     // Prime the pump.
     const char* fake_argv[] = {"task"};
-    context.parser.initialize (1, fake_argv);
+    context.cli.initialize (1, fake_argv);
     context.program = "task";
     context.config.set ("name", "value");