Small improvements to DIAMETER_ts29_272_Templates.ttcn

* Move Service-Selection template to the TS 29.272 since it belongs
  there.
* Set some parameter types to "template (value)" which makes it easier
  for users, since both a template and a value can then be passed.

Change-Id: Ic57b2c5ec0a953f9a1751d4ce4ad441daafd3c87
diff --git a/library/DIAMETER_ts29_273_Templates.ttcn b/library/DIAMETER_ts29_273_Templates.ttcn
index 87d1601..c7f2a45 100644
--- a/library/DIAMETER_ts29_273_Templates.ttcn
+++ b/library/DIAMETER_ts29_273_Templates.ttcn
@@ -15,6 +15,7 @@
 import from DIAMETER_Types all;
 import from DIAMETER_Templates all;
 import from DIAMETER_rfc5447_Templates all;
+import from DIAMETER_ts29_272_Templates all;
 import from Osmocom_Types all;
 import from Misc_Helpers all;