Have testers generate results for PropertyTree.

[SVN r56020]

status/Jamfile.v2

@@ -102,6 +102,7 @@ run-tests
     preprocessor/test           # test-suite preprocessor
     program_options/test        # test-suite program_options
     property_map/test           # test-suite property_map
+	property_tree/test          # test-suite property_test
     proto/test                  # test-suite proto
     ptr_container/test          # test-suite ptr_container
     python/test                 # test-suite python