stub cluster specification
add example json
review of ServiceLauncher -some layout cleanup, and make sure that exceptions are logged correctly (this is commons logging code, not SLF4J)
Clean up presentation of exit codes in exitcodes.md
add proposed changes, including how client property files are retrieved
move client config in proposed update json
More examples on the proposed changes -added a provider role, reworked statistics
update index pages
return clientProperties to spec as it is what you need for client-side generation
Merge branch 'feature/BUG-13917-cluster-spec' into develop