PIG-3615: Update the way that JsonLoader/JsonStorage deal with BigDecimal

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1640203 13f79535-47bb-0310-9956-ffa450edef68
PIG-4334: PigProcessor does not set pig.datetime.default.tz (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1640792 13f79535-47bb-0310-9956-ffa450edef68
PIG-4332: Remove redundant jars packaged into pig-withouthadoop.jar for hadoop 2 (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1640793 13f79535-47bb-0310-9956-ffa450edef68
PIG-4333: Split BigData tests into multiple groups (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1640794 13f79535-47bb-0310-9956-ffa450edef68
Pig 0.14.0 Release

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1640861 13f79535-47bb-0310-9956-ffa450edef68
PIG-4342: Pig 0.14 cannot identify the uppercase of DECLARE and DEFAULT

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1641494 13f79535-47bb-0310-9956-ffa450edef68
PIG-4345: e2e test RubyUDFs_13 fails because of the different result of group all in different engines like spark, mapreduce (kellyzly via rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1642743 13f79535-47bb-0310-9956-ffa450edef68
Commit PIG-4351-1.patch
Commit PIG-4066.5.patch