openmano v0.4.39: logging at vimconnector. Exception generation upon error instead of returning status

Signed-off-by: tierno <alfonso.tiernosepulveda@telefonica.com>
diff --git a/openmanod.cfg b/openmanod.cfg
index 8670fe4..e8aba16 100644
--- a/openmanod.cfg
+++ b/openmanod.cfg
@@ -44,3 +44,8 @@
 #  The folder will be created in the execution folder if it does not exist
 vnf_repository: "./vnfrepo"   # Use an absolute path to avoid misunderstandings 
 
+
+#logging parameters       # DEBUG, INFO, WARNING, ERROR, CRITICAL
+log_level:       DEBUG
+log_level_db:    DEBUG
+log_level_vimconn:    DEBUG