vimconn_opnestack: updated server_timeout from 60s to 300s

Change-Id: Id7a951290b34fb2b9573844b15c93c86c604783b
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_ro/vimconn_openstack.py b/osm_ro/vimconn_openstack.py
index bcb80ae..452d575 100644
--- a/osm_ro/vimconn_openstack.py
+++ b/osm_ro/vimconn_openstack.py
@@ -64,7 +64,7 @@
 
 #global var to have a timeout creating and deleting volumes
 volume_timeout = 60
-server_timeout = 60
+server_timeout = 300
 
 class vimconnector(vimconn.vimconnector):
     def __init__(self, uuid, name, tenant_id, tenant_name, url, url_admin=None, user=None, passwd=None,