make summary files read in parallel; improve memory footprint of metadata
adress comments
In HIVE-5783 we will need a bundle jar to depend on that does not include
the Hive Serde since Hive trunk will contain the Hive Serde.

This change introduces such a bundle which would be generally useful
for anyone writing Parquet within Hadoop.
Merge pull request #257 from brockn/master

Create parquet-hadoop-bundle which will eventually replace parquet-hive-bundle
optimize consecutive row groups scans
Initial commit
add delta length byte arrays and delta byte arrays encodings
fix minor typo in Encoding reader
minor javadoc changes
add unit test
Adds parquet-jackson module to jackson-dependent modules
Merge pull request #249 from Parquet/metadata_opt

make summary files read in parallel; improve memory footprint of metadata; avoid unnecessary seek
Merge branch 'master' into optimize_scan
refactor dictionary page handling
update with correct junit imports
Adds small comment
turn on parquet 2.0 flags
Merge pull request #259 from Parquet/delta_strings

add delta length byte arrays and delta byte arrays encodings
Merge branch 'master' into add-parquet-jackson-module
Merge pull request #258 from Parquet/optimize_scan

Optimize scan