Restructured javadocs build to make groupings more manageable in the light of mavan-javadoc-plugin's silly treatment of package lists.

Change-Id: I771db3399bf8f0463927b2720ff43f862d7f2d68
diff --git a/docs/external-excludes b/docs/external-excludes
new file mode 100644
index 0000000..6baf542
--- /dev/null
+++ b/docs/external-excludes
@@ -0,0 +1,48 @@
+*.impl
+*.impl.*
+
+org.onlab.jdvue*
+org.onlab.stc*
+
+org.onlab.thirdparty
+org.onosproject.provider*
+org.onosproject.rest
+org.onosproject.cli*
+org.onosproject.tvue
+org.onosproject.foo
+org.onosproject.mobility
+org.onosproject.proxyarp
+org.onosproject.fwd
+org.onosproject.ifwd
+org.onosproject.optical
+org.onosproject.config
+org.onosproject.calendar
+org.onosproject.sdnip*
+org.onosproject.oecfg
+org.onosproject.metrics
+org.onosproject.store.*
+org.onosproject.openflow*
+org.onosproject.common*
+org.onosproject.routing*
+org.onosproject.bgprouter
+org.onosproject.intentperf
+org.onosproject.maven
+org.onosproject.cordfabric*
+org.onosproject.driver*
+org.onosproject.segmentrouting*
+org.onosproject.reactive*
+org.onosproject.distributedprimitives*
+org.onosproject.messagingperf*
+org.onosproject.virtualbng*
+org.onosproject.election*
+org.onosproject.demo*
+org.onosproject.xosintegration*
+org.onosproject.app.vtn*
+org.onosproject.ovsdb*
+org.onosproject.pcep*
+org.onosproject.aaa
+org.onosproject.acl*
+org.onosproject.cip*
+org.onos.acl*
+org.onosproject.vtn*
+org.onosproject.flowanalyzer