use wallsleep, not sleep, #103.
warning if service fails to be enabled, #96.
cleaning up some logging output.
parameters loading into the service namespace, #80.
stick to conventional folder naming, updated launch links.
wasn't pusing services into the services namespace, #109
lock on shutdown, #110, but doesn't solve the problem of getting stop apps out.
service exception handler when inviting.
Merge branch 'hydro-devel' into opp