fix the index task and more docs
fix small bug with unusable dims
added note about support for druid 0.5.x only
Merge branch 'master' into igalDruid
added link to manually download druid 0.5.x
another attempt at index task
Merge pull request #357 from metamx/igalDruid

Igal druid
more exceptions
Merge pull request #355 from metamx/fix_index_task

Fix the index task and more docs
fix typo
update emitter version