Modified site pom and docker config

Changed site pom locations to root of the project
and simplified docker configuration

issue-id:DMAAP-139
Change-Id: I573c5ead80afdd7c8174d37b13f5a3f00576e3c6
Signed-off-by: Varun Gudisena <vg411h@att.com>
diff --git a/jjb/dmaap/dmaap-messagerouter-mirroragent.yaml b/jjb/dmaap/dmaap-messagerouter-mirroragent.yaml
index 20dbd21..5f4a167 100644
--- a/jjb/dmaap/dmaap-messagerouter-mirroragent.yaml
+++ b/jjb/dmaap/dmaap-messagerouter-mirroragent.yaml
@@ -8,7 +8,7 @@
       - '{project-name}-{stream}-merge-java'

       - '{project-name}-{stream}-release-version-java-daily'

       - '{project-name}-{stream}-stage-site-java':

-          site-pom: 'dmaap/mirroragent/pom.xml'

+          site-pom: 'pom.xml'

           trigger-job: '{project-name}-{stream}-release-version-java-daily'

           mvn-goals: 'clean install'

     project: 'dmaap/messagerouter/mirroragent'