library/DIAMETER: Split TS 29.273 templates into its own file

The templates are added in a new separate file with the aim of starting
splitting the tons of AVPs originating from different specs in order to
be able to quickly identify them and avoid confusion.

Change-Id: I77f917404dd70559b2b2cc62199ed70289ab0825
diff --git a/epdg/EPDG_Tests.ttcn b/epdg/EPDG_Tests.ttcn
index 76fd45e..396ca0e 100644
--- a/epdg/EPDG_Tests.ttcn
+++ b/epdg/EPDG_Tests.ttcn
@@ -12,6 +12,7 @@
 
 import from DIAMETER_Types all;
 import from DIAMETER_Templates all;
+import from DIAMETER_ts29_273_Templates all;
 import from DIAMETER_Emulation all;
 
 import from GTPv2_Types all;