PIG-3939: SPRINTF function to format strings using a printf-style template (mrflip via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601186 13f79535-47bb-0310-9956-ffa450edef68
PIG-3990: ant docs is broken in trunk/branch-0.13 (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601188 13f79535-47bb-0310-9956-ffa450edef68
PIG-3991: TestErrorHandling.tesNegative7 is broken in trunk/branch-0.13 (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601190 13f79535-47bb-0310-9956-ffa450edef68
PIG-3988: PigStorage: CommandLineParser is not thread safe (tmwoodruff via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1601191 13f79535-47bb-0310-9956-ffa450edef68