created FlowProgrammer module and implemented FlowPusher and FlowSynchronizer as services, also modified FlowManager to use the service exported by FlowProgrammer
diff --git a/conf/onos.properties b/conf/onos.properties
index e858adb..f7bffb2 100644
--- a/conf/onos.properties
+++ b/conf/onos.properties
@@ -9,6 +9,7 @@
net.floodlightcontroller.ui.web.StaticWebRoutable,\
net.onrc.onos.datagrid.HazelcastDatagrid,\
net.onrc.onos.ofcontroller.flowmanager.FlowManager,\
+net.onrc.onos.ofcontroller.flowprogrammer.FlowProgrammer,\
net.onrc.onos.ofcontroller.topology.TopologyManager,\
net.onrc.onos.registry.controller.ZookeeperRegistry
net.floodlightcontroller.restserver.RestApiServer.port = 8080