PIG-3377: New AvroStorage throws NPE when storing untyped map/bag/tuple (jadler via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1536044 13f79535-47bb-0310-9956-ffa450edef68
PIG-3526: Unions with Enums do not work with AvroStorage (jadler via cheolsoo)


git-svn-id: https://svn.apache.org/repos/asf/pig/trunk@1536045 13f79535-47bb-0310-9956-ffa450edef68
Merge remote branch 'origin/trunk' into trunk
Merge remote branch 'origin/trunk' into trunk-gd