default to using new BTLs "-mca pml ob1" rather than older ptls

This commit was SVN r6984.

ompi/mca/pml/ob1/pml_ob1_component.c

@@ -87,7 +87,7 @@ int mca_pml_ob1_component_open(void)
     mca_pml_ob1.free_list_inc =
         mca_pml_ob1_param_register_int("free_list_inc", 256);
     mca_pml_ob1.priority =
-        mca_pml_ob1_param_register_int("priority", 0);
+        mca_pml_ob1_param_register_int("priority", 1);
     mca_pml_ob1.eager_limit =
         mca_pml_ob1_param_register_int("eager_limit", 128 * 1024);
     mca_pml_ob1.send_pipeline_depth =

ompi/mca/pml/teg/pml_teg_component.c

@@ -103,7 +103,7 @@ int mca_pml_teg_component_open(void)
     mca_pml_teg.teg_poll_iterations =
         mca_pml_teg_param_register_int("poll_iterations", 100000);
     mca_pml_teg.teg_priority =
-        mca_pml_teg_param_register_int("priority", 1);
+        mca_pml_teg_param_register_int("priority", 0);
 
     return mca_ptl_base_open(); 
 }