Merge pull request #287 from remen/travis_fixup

Travis now runs "mvn verify" instead of "mvn test"
Removed releaseDocument from RemotePipeline
Removed releaseUrl from RemotePipeline (not used)
Removed RemotePipeline.keepLock() (only used in test)
Removed keepLock field from RemotePipeline (always false)
Merge branch 'keeplock' into major_api_refactoring

Conflicts:
	api/src/main/java/com/findwise/hydra/local/RemotePipeline.java
	api/src/test/java/com/findwise/hydra/stage/AbstractProcessStageTest.java
RemotePipeline no longer stores current document