add the app auto restart
change the Gemfile
add the EM.defer for start app instance
fix the start command of useing em.defer
fix the bug of rule_task , remove the test code
when start the sleep app, check if it has start
fix the EM error, because the return unless sleeped_droplets
add the nats publish:rule_engine.unsleeped, after receive the start command from nats
add the heart and sleep check time parameter
change rails log to logger
add Gemfile.lock
Merge branch 'branch_0715'