Formatting cleanups, doc updates and whatnot

Change-Id: Ica8298353be22f947c8e8a03d8dc29ded9cb26dd
diff --git a/lib/nova b/lib/nova
index 8d045b5..ea73bad 100644
--- a/lib/nova
+++ b/lib/nova
@@ -122,8 +122,8 @@
 TEST_FLOATING_RANGE=${TEST_FLOATING_RANGE:-192.168.253.0/29}
 
 
-# Entry Points
-# ------------
+# Functions
+# ---------
 
 function add_nova_opt {
     echo "$1" >>$NOVA_CONF
@@ -276,7 +276,7 @@
             configure_baremetal_nova_dirs
         fi
 
-        if is_service_enabled quantum && is_quantum_ovs_base_plugin && ! sudo grep -q '^cgroup_device_acl' $QEMU_CONF ; then
+        if is_service_enabled quantum && is_quantum_ovs_base_plugin && ! sudo grep -q '^cgroup_device_acl' $QEMU_CONF; then
             # Add /dev/net/tun to cgroup_device_acls, needed for type=ethernet interfaces
             cat <<EOF | sudo tee -a $QEMU_CONF
 cgroup_device_acl = [
@@ -509,7 +509,7 @@
         VNCSERVER_PROXYCLIENT_ADDRESS=${VNCSERVER_PROXYCLIENT_ADDRESS=127.0.0.1}
     fi
 
-    if is_service_enabled n-novnc || is_service_enabled n-xvnc ; then
+    if is_service_enabled n-novnc || is_service_enabled n-xvnc; then
       # Address on which instance vncservers will listen on compute hosts.
       # For multi-host, this should be the management ip of the compute host.
       VNCSERVER_LISTEN=${VNCSERVER_LISTEN=127.0.0.1}
@@ -673,6 +673,7 @@
     done
 }
 
+
 # Restore xtrace
 $XTRACE