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

Added a driver for the OLT

Change-Id: I13085d4a5a05e92a1640eff3f10ff75c2188e0d3
diff --git a/apps/pom.xml b/apps/pom.xml
index 69f767b..dcc0ddd 100644
--- a/apps/pom.xml
+++ b/apps/pom.xml
@@ -50,6 +50,7 @@
         <module>cordfabric</module>
         <module>xos-integration</module>
         <module>pcep-api</module>
+        <module>olt</module>
     </modules>
 
     <properties>