rename variables for readability
continue renaming
fix problem with projection pushdown in parquetloader
changes as per code review comments
changes as per code review comments for test
Merge pull request #175 from Parquet/pig_projection_pushdown

fix problem with projection pushdown in parquetloader
Merge pull request #174 from Parquet/readability

rename variables for readability
[maven-release-plugin] prepare release parquet-1.2.2
[maven-release-plugin] prepare for next development iteration
Update CHANGES.md
Update CHANGES.md