fix map of primitive; add thrift to pig compat
cleanup
incorporate feddback; more tests
Merge pull request #13 from Parquet/thrift_to_pig_compat

fix map of primitive; add thrift to pig compat
fix metadata file in mr mode
change default level encoding to bit packed; instanciate reader from page header encoding
fix metadata conversion
add test to ensure enums are equivalent
integrate elaphantbird 3.0.8
Merge pull request #16 from Parquet/update_encodings

Update encodings