Bug fix for IgnoreDhcp rules after switch restart. Also fixed NPE in group handler,
and made recognizing ofdpa software more generic to handle premium versions on accton switches.

Change-Id: Ie1f40dd934c2a1adb75174c90c2d6f1b71f98d3a
diff --git a/drivers/default/src/main/resources/onos-drivers.xml b/drivers/default/src/main/resources/onos-drivers.xml
index 3684457..5637221 100644
--- a/drivers/default/src/main/resources/onos-drivers.xml
+++ b/drivers/default/src/main/resources/onos-drivers.xml
@@ -119,7 +119,7 @@
 
     <!-- OFDPA drivers from vendors -->
     <driver name="accton-ofdpa3" extends="ofdpa3"
-            manufacturer="Accton Corp\." hwVersion=".*" swVersion="ofdpa 3.*">
+            manufacturer="Accton Corp\." hwVersion=".*" swVersion="ofdpa.*">
     </driver>
 
     <driver name="znyx-ofdpa" extends="ofdpa3"