Empty disk support added to openvim

Change-Id: Ib54e4da5bfdeb4b974e8b8e0d260977fa7793fdc
Signed-off-by: mirabal <leonardo.mirabal@altran.com>
diff --git a/osm_openvim/ovim.py b/osm_openvim/ovim.py
index fba2320..82d06ce 100755
--- a/osm_openvim/ovim.py
+++ b/osm_openvim/ovim.py
@@ -42,9 +42,9 @@
 
 __author__ = "Alfonso Tierno, Leonardo Mirabal"
 __date__ = "$06-Feb-2017 12:07:15$"
-__version__ = "0.5.16-r532"
-version_date = "May 2017"
-database_version = 19      #needed database schema version
+__version__ = "0.5.17-r533"
+version_date = "Jun 2017"
+database_version = 20      #needed database schema version
 
 HTTP_Bad_Request =          400
 HTTP_Unauthorized =         401