-Add aggregation support
-Make serialization methods public so that integrators can take advantage of the mapping functionality of Mongojack when there's a new feature in the driver, but not yet in mongojack
Add new files
Add license headers, and author information
Remove query based aggregation, the ops needed for this are missing
Doc fixes
Formatting fixes.
Actually use the resultType of the Aggregation
More tests for aggregations that return a different result type.
Add docs
Merge pull request #36 from exell-christopher/master

Add Aggregation Support