added more logging to decider worker
can pass DB connections to workers
changed command msg
can pass in service container
fixed inexplicable case probs
persist flag changed to 'clearEvents'. Persistance is on by default
added Util class
better logging API and log structure
removed code related to ActivityTaskResponse's title property
several worker related API fixes
API access fixes and docs
worker doesn't enforce ints for run ids
added signal handling for workers
comment
workflows are titles by their key
continue loop when can't register activity type
cleaner API for swf commands
new cron command
configuration for cron command
typo fix