Allow for slashes and underscores in dates.
Fix improper single quote escaping in JsonLine.
Use Jerkson instead of JsonObject.

Jerkson's output is more compact, and this will make it easier for us to add a JsonLine source.
upgrade maple version
sequenceFile should now work in local mode
mark Operations type parameters covariant
Merge pull request #216 from asiegel34/operations-covariance

mark Operations type parameters covariant
Fix typo: common separated => comma separated
Adds aggregate method to ReduceOperations
Merge pull request #218 from johnynek/feature/algebird-aggregator

Adds aggregate method to ReduceOperations
hopefully fixes up scald.rb
Merge pull request #219 from johnynek/feature/scald-fix

hopefully fixes up scald.rb
Merge pull request #217 from david206/patch-1

Fix typo: common separated => comma separated
merge date changes into new file structure
Merge pull request #220 from etsy/develop

A few more small changes from Etsy
make an implicit explicit
Bump version to 0.8.1
Merge branch 'release/0.8.1' into develop
Fix README version
Updates to 0.8.2-SNAPSHOT