fix issue where aggregate queries results are not mapped correctly and therefore not shown in result file
Merge pull request #28 from federecio/develop

When using Bulk API, read/write files in UTF8 regardless of read/write UTF8 setting and system's default charset
Merge pull request #29 from federecio/develop2

fix issue where aggregate queries results are not mapped correctly and t...
upgrade version and remote unnecessary cast to String in test
remove rhino license.  add script to make sure data loader app file isn't locked inside dmg