Basic alignment with async branch (#115)

* Basic alignment with async branch - trivial changes to reduce clutter in overall diff.

* Update minor error code to reflect change within library

* Update the error output to match library

examples/ph5example.c

@@ -1087,7 +1087,7 @@ finish:
     return (nerrors);
 }
 
-#else  /* H5_HAVE_PARALLEL */
+#else /* H5_HAVE_PARALLEL */
 /* dummy program since H5_HAVE_PARALLE is not configured in */
 int
 main(void)