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/ovs_base b/lib/quantum_plugins/ovs_base
index a5e03ac..646ff4a 100644
--- a/lib/quantum_plugins/ovs_base
+++ b/lib/quantum_plugins/ovs_base
@@ -56,9 +56,9 @@
 
 function _quantum_ovs_base_configure_firewall_driver() {
     if [[ "$Q_USE_SECGROUP" == "True" ]]; then
-        iniset /$Q_PLUGIN_CONF_FILE SECURITYGROUP firewall_driver quantum.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
+        iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver quantum.agent.linux.iptables_firewall.OVSHybridIptablesFirewallDriver
     else
-        iniset /$Q_PLUGIN_CONF_FILE SECURITYGROUP firewall_driver quantum.agent.firewall.NoopFirewallDriver
+        iniset /$Q_PLUGIN_CONF_FILE securitygroup firewall_driver quantum.agent.firewall.NoopFirewallDriver
     fi
 }