onos-buck fails to build wab jars

Recent changes to the OsgiWrapper have broken wab jars.

These jars are missing the updated classfiles that contain the component binding code.

Example symptom as follows:
2017-03-21 00:53:38,944 | ERROR | -message-handler | onos-gui | 158 - org.onosproject.onos-gui - 1.10.0.SNAPSHOT | [org.onosproject.ui.impl.topo.model.UiSharedTopologyModel(129)] The activate method has thrown an exception
java.lang.NullPointerException
at org.onosproject.ui.impl.topo.model.UiSharedTopologyModel.activate(UiSharedTopologyModel.java:152)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.8.0_121]
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)[:1.8.0_121]
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)[:1.8.0_121]
at java.lang.reflect.Method.invoke(Method.java:498)[:1.8.0_121]
at org.apache.felix.scr.impl.helper.BaseMethod.invokeMethod(BaseMethod.java:231)
at org.apache.felix.scr.impl.helper.BaseMethod.access$500(BaseMethod.java:39)
at org.apache.felix.scr.impl.helper.BaseMethod$Resolved.invoke(BaseMethod.java:624)
at org.apache.felix.scr.impl.helper.BaseMethod.invoke(BaseMethod.java:508)
at org.apache.felix.scr.impl.helper.ActivateMethod.invoke(ActivateMethod.java:149)
at org.apache.felix.scr.impl.manager.SingleComponentManager.createImplementationObject(SingleComponentManager.java:315)
at org.apache.felix.scr.impl.manager.SingleComponentManager.createComponent(SingleComponentManager.java:127)
at org.apache.felix.scr.impl.manager.SingleComponentManager.getService(SingleComponentManager.java:871)