Plumb OriginalType through to ConvertedType in file in ParquetMetadataConverter.
Merge changes from master.
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge branch 'master' into plumb_original_type
Merge pull request #187 from davidzchen/plumb_original_type

Plumb OriginalType