PIG-4047: Break up pig withouthadoop and fat jar

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1613696 13f79535-47bb-0310-9956-ffa450edef68
PIG-4054: Do not create job.jar when submitting job

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1613698 13f79535-47bb-0310-9956-ffa450edef68