fix error ns_instances_content when not instantiated, rollback problems and pdu usage references

Change-Id: Ieeb601d329baa3c8a69755b48b45b53b96b865bd
Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/osm_nbi/html_public/version b/osm_nbi/html_public/version
index 1b5afc2..630b94d 100644
--- a/osm_nbi/html_public/version
+++ b/osm_nbi/html_public/version
@@ -1,2 +1,2 @@
-0.1.31
-2018-12-12
+0.1.32
+2018-12-21