PIG-3515: Shell commands are limited from OS buffer (andronat via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1533688 13f79535-47bb-0310-9956-ffa450edef68
PIG-3524: Clean up Launcher and MapReduceLauncher after PIG-3419 (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1533692 13f79535-47bb-0310-9956-ffa450edef68
PIG-3117: A debug mode in which pig does not delete temporary files (ihadanny via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1533693 13f79535-47bb-0310-9956-ffa450edef68
Forgot to update CHANGES log


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1533694 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk