Added an OLT application which pushes vlan circuits when ports are up.

Added a driver for the OLT

Change-Id: I13085d4a5a05e92a1640eff3f10ff75c2188e0d3
diff --git a/drivers/src/main/resources/onos-drivers.xml b/drivers/src/main/resources/onos-drivers.xml
index f9c648e..4488299 100644
--- a/drivers/src/main/resources/onos-drivers.xml
+++ b/drivers/src/main/resources/onos-drivers.xml
@@ -62,6 +62,11 @@
         <behaviour api="org.onosproject.net.behaviour.Pipeliner"
                    impl="org.onosproject.driver.pipeline.OFDPA1Pipeline"/>
     </driver>
+    <driver name="pmc-olt" extends="default"
+            manufacturer="Big Switch Networks" hwVersion="ivs 0.5" swVersion="ivs 0.5">
+        <behaviour api="org.onosproject.net.behaviour.Pipeliner"
+                   impl="org.onosproject.driver.pipeline.OLTPipeline"/>
+    </driver>
     <!--  The SoftRouter driver is meant to be used by any software/NPU based
        ~  switch that wishes to implement a simple 2-table router. To use this
        ~  driver, configure ONOS with the dpid of the device, or extend the