Added EventLoadFunc class
Beginning functionality on the event pig loader
Work on event loader pig load func
Event loader design is complete. Still need a unit test
Adding gettable transform to clean up custom transform logic
Adding mock record reader and soft tests for the pig event loader
Using wrapped iterables and iterators to make the pig storage easier to read
Adding test for event loader
Enhancing usage and validation
Tad more cleanup
Adding loadfunc for entities
Changing "event" scheme validation to "entity" for entity load func
Cleaning things up
Making small change for moving of entity relationship encoder in mango
Changing EntityRelationship to get rid of extraneous methods
Adding MetricsLoader
Defaulting auths to empty in pig loaders
Using iterators in pig loaders instead of Iterables
Add exception catching around groovy eval for query parsing
Merge pull request #124 from calrissian/entityLoadFunc

Entity, Event, and Metrics load funcs