Use lowercase section names in Neutron (aka Quantum)

Fixes bug 1194064

The DEFAULT section remains the same.

In addition to this the sql_connection has been changed to
connection - this is for OSLO DB support.

Change-Id: I56175146941a9cae966033b557e44097e29a5d43
diff --git a/lib/quantum_plugins/plumgrid b/lib/quantum_plugins/plumgrid
index 1456710..dde18c8 100644
--- a/lib/quantum_plugins/plumgrid
+++ b/lib/quantum_plugins/plumgrid
@@ -27,8 +27,8 @@
 function quantum_plugin_configure_service() {
     PLUMGRID_NOS_IP=${PLUMGRID_NOS_IP:-localhost}
     PLUMGRID_NOS_PORT=${PLUMGRID_NOS_PORT:-7766}
-    iniset /$Q_PLUGIN_CONF_FILE PLUMgridNOS nos_server $PLUMGRID_NOS_IP
-    iniset /$Q_PLUGIN_CONF_FILE PLUMgridNOS nos_server_port $PLUMGRID_NOS_PORT
+    iniset /$Q_PLUGIN_CONF_FILE plumgridnos nos_server $PLUMGRID_NOS_IP
+    iniset /$Q_PLUGIN_CONF_FILE plumgridnos nos_server_port $PLUMGRID_NOS_PORT
 }
 
 function quantum_plugin_configure_debug_command() {