minor reflacting
update devices and exit code
improve boolean param
add files api
refine apps
add monitor daemon
update devices api
minor changes
update daemon
fix connection error of monitor daemon
add callback after job finished
minor change of template
change zk path
add create job with a specified job_id
fix decode error
fix steam api issue if another same pid is alive..
minor sleep time between two queries
add finished_at
change to lower frequency
add debug log