PIG-3449: Move JobCreationException to org.apache.pig.backend.hadoop.executionengine (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1581399 13f79535-47bb-0310-9956-ffa450edef68
PIG-3832: Fix piggybank test compilation failure after PIG-3449 (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1581505 13f79535-47bb-0310-9956-ffa450edef68