implement the new page format for Parquet 2.0

[asfimport]

as defined in
https://github.com/Parquet/parquet-format/pull/64
https://github.com/Parquet/parquet-format/issues/44

PR: https://github.com/apache/incubator-parquet-mr/pull/75

Reporter: Julien Le Dem / @julienledem
Assignee: Julien Le Dem / @julienledem

_{Note: This issue was originally created as PARQUET-117. Please see the migration documentation for further details.}

[asfimport]

Tim / @tsdeng:
Issue resolved by pull request 75
https://github.com/apache/incubator-parquet-mr/pull/75