Changes to hook API to make it more Observable-friendly#683

Merged

mattrjacobs merged 4 commits intoNetflix:masterfrom mattrjacobs:observable-api-hooks

Feb 18, 2015

+3,762-4,800

Commits on Feb 16, 2015

Formed consistent hook API that works for both HystrixCommand and HystrixObservableCommand.
Matt Jacobs
committed
Added hook unit tests for commands that emit multiple values
Matt Jacobs
committed

Commits on Feb 18, 2015

Reorganized tests of HystrixCommandTest and HystrixObservableCommandTest to share code
Matt Jacobs
committed
Adding licenses to new files
Matt Jacobs
committed