make parquet.task.side.metadata=true by default

[asfimport]

https://github.com/apache/incubator-parquet-mr/pull/78

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

_{Note: This issue was originally created as PARQUET-122. Please see the migration documentation for further details.}

[asfimport]

Julien Le Dem / @julienledem:
Issue resolved by pull request 78
https://github.com/apache/incubator-parquet-mr/pull/78