PIG-3632: Add option to configure cacheBlocks in HBaseStorage (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553724 13f79535-47bb-0310-9956-ffa450edef68
PIG-3637: PigCombiner creating log spam (rohini)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553730 13f79535-47bb-0310-9956-ffa450edef68
PIG-3639: TestRegisteredJarVisibility is broken in trunk (cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553752 13f79535-47bb-0310-9956-ffa450edef68
PIG-3608: ClassCastException when looking up a value from AvroMapWrapper using a Utf8 key (rding)

git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1553787 13f79535-47bb-0310-9956-ffa450edef68