updated DB to change type of ram in flavors table

Change-Id: Ie7217ba7de985cce0e314631d9cb9e6c92e05b2d
Signed-off-by: garciadeblas <gerardo.garciadeblas@telefonica.com>
diff --git a/osm_openvim/ovim.py b/osm_openvim/ovim.py
index 53a39eb..9a70e1c 100755
--- a/osm_openvim/ovim.py
+++ b/osm_openvim/ovim.py
@@ -43,9 +43,9 @@
 
 __author__ = "Alfonso Tierno, Leonardo Mirabal"
 __date__ = "$06-Feb-2017 12:07:15$"
-__version__ = "0.5.20-r536"
-version_date = "Sep 2017"
-database_version = 21      #needed database schema version
+__version__ = "0.5.21-r537"
+version_date = "Nov 2017"
+database_version = 22      #needed database schema version
 
 HTTP_Bad_Request =          400
 HTTP_Unauthorized =         401