SLIDER-394 slider client and AM services to fail-fast if the hadoop dependencies are missing
SLIDER-394 slider client and AM services to fail-fast if the hadoop dependencies are missing
SLIDER-377 AM checks for validity of server side; client does this if the CLI action says it should (default is yes)
SLIDER-377 AM checks for validity of server side; client does this if the CLI action says it should (default is yes)
SLIDER-377 AM-spawning tests do prelaunch validity checks
Merge branch 'feature/SLIDER-394_env_check' into develop