Make sinkFields in TypedDelimited final.
Fix the type of the exception thrown by validateTaps

The API specifies that validateTaps should throw InvalidSourceException, rather than IllegalArgumentException
Fixed type of exception thrown by validateTaps

The API specifies that validateTaps should throw InvalidSourceException, rather than IllegalArgumentException
Fixed per ianoc comment
Merge pull request #1033 from fgcallari/develop

Fixed type of exception thrown by validateTaps
Merge pull request #1032 from twitter/klin_sinked_fields

Make sinkFields in TypedDelimited final.