minor updates
introduce parser and default Jackson implementation
commit current draft (wip)
add node filtering
Introduce Writable ValueReader implementation
start using WritableValueReader in ESInputFomat (wip)
about to refactor ValueReader to FieldReader
introduce ScrollReader

deserialization is now aware of ES types which take precedence
fixes in parsing JSON
small test fix
upgrade to Pig 0.11.1

add also dependency on Joda time (missing from Pig pom)
refactor Pig support to use the dedicated ValueReader

add Pig specific ValueReader (converts directly to JDK/Pig types)
add (backwards compatible) support for Pig's DateType (based on JodaTime)
update Hive to new mapping infrastructure
various fixes

realign cascading with new serialization/mapping support
remove unused imports