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/ryu b/lib/quantum_plugins/ryu
index dcdccb7..53c4f41 100644
--- a/lib/quantum_plugins/ryu
+++ b/lib/quantum_plugins/ryu
@@ -49,14 +49,14 @@
     if [ -n "$RYU_INTERNAL_INTERFACE" ]; then
         sudo ovs-vsctl --no-wait -- --may-exist add-port $OVS_BRIDGE $RYU_INTERNAL_INTERFACE
     fi
-    iniset /$Q_PLUGIN_CONF_FILE OVS integration_bridge $OVS_BRIDGE
+    iniset /$Q_PLUGIN_CONF_FILE ovs integration_bridge $OVS_BRIDGE
     AGENT_BINARY="$QUANTUM_DIR/quantum/plugins/ryu/agent/ryu_quantum_agent.py"
 
     _quantum_ovs_base_configure_firewall_driver
 }
 
 function quantum_plugin_configure_service() {
-    iniset /$Q_PLUGIN_CONF_FILE OVS openflow_rest_api $RYU_API_HOST:$RYU_API_PORT
+    iniset /$Q_PLUGIN_CONF_FILE ovs openflow_rest_api $RYU_API_HOST:$RYU_API_PORT
 
     _quantum_ovs_base_configure_firewall_driver
 }