TT#117000 New cdr aggregated field source_last_hih

Adding the source_last_hih field for the cdrs, this field will be used
to store the last history info header of the incoming invite if present.

Change-Id: I6549e69da4bd47b76c7365ece3a9507abdcf733c

db_scripts/diff/15671.down

@@ -0,0 +1,6 @@
+USE accounting;
+SET autocommit=0;
+
+DELETE FROM cdr_tag WHERE type IN ('header=History-Info');
+
+COMMIT;

db_scripts/diff/15671.up

@@ -0,0 +1,6 @@
+USE accounting;
+SET autocommit=0;
+
+INSERT INTO cdr_tag (type) VALUES ('header=History-Info');
+
+COMMIT;