Add compression in SerializationUtil
Update Serialization Util
Add null handling to record filters -- this impl is still broken though
stash
Move ColumnPath and Canonicalizer to parquet-common
use ColumnPath instead of String
don't double log exception in SerializationUtil
Add type bounds to FilterApi
rm ColumnPathUtil
various cleanup and fixes
turn off dictionary support for AtomicConverter
Move some files around pt 1
Move things around pt2
finish moving things around
move statistics filter
minor cleanup
minor cleanup
Hook generation into maven build
more minor cleanup
rm generated src file from git