Removed jetty import that was causing the war to fail.

git-svn-id: https://svn.code.sf.net/p/bigdata/code/branches/RDR@8017 8f7bc0f5-282e-0410-95e3-8d296e9bb460
Removed reference to the HALoadBalancerServlet that was breaking thr tomcat WAR deployment.

git-svn-id: https://svn.code.sf.net/p/bigdata/code/branches/RDR@8018 8f7bc0f5-282e-0410-95e3-8d296e9bb460
Removed the older servlet-api jar (v2.5).

git-svn-id: https://svn.code.sf.net/p/bigdata/code/branches/RDR@8021 8f7bc0f5-282e-0410-95e3-8d296e9bb460