fix TaskCatsResponse for return json
add HistResponse for lcm hist request
TaskHistResponse logic changed
add optional for upper and lower in cats request
add DatasetCats for importing process
add json result for datasetCats and Hist to lcm
Merge branch 'akka-workers' into feature-wmts
error on hist folding doesn't fold itself.
Merge branch 'akka-workers' into feature-wmts
Split CatsElement from DatasetCats
add hard coded tableType
Pulling in updated web-service definitions

Merge remote-tracking branch 'origin/akka-workers' into feature-wmts