Starting to include kafka-integration app as part of Buck build.

- refactored to follow the api & app structure
- added buck files
- builds and loads
- cleaned-up and fixed number of pom files to function as expected
      (meaning "mvn clean install" actually works)

Change-Id: Ib896269c4986f6ee5cd6bae7cf508f71b64f59f9
diff --git a/apps/kafka-integration/app/features.xml b/apps/kafka-integration/app/features.xml
index 09380ba..c615f60 100644
--- a/apps/kafka-integration/app/features.xml
+++ b/apps/kafka-integration/app/features.xml
@@ -19,8 +19,7 @@
              description="${project.description}">
         <feature>onos-api</feature>
         <bundle>mvn:${project.groupId}/onos-app-kafka-api/${project.version}</bundle>
-        <bundle>mvn:${project.groupId}/onos-app-kafka-core/${project.version}</bundle>
-        <bundle>mvn:${project.groupId}/onos-app-kafka-web/${project.version}</bundle>
+        <bundle>mvn:${project.groupId}/onos-app-kafka-app/${project.version}</bundle>
         <bundle>mvn:org.apache.servicemix.bundles/org.apache.servicemix.bundles.kafka-clients/0.8.2.2_1</bundle>
     </feature>
 </features>