add a workerchild role that takes pids from a parent process instead
set up a heartbeat message to the parent
some bugfixes, and need a ready signal
simple util to operate workerchild role
Add pcron dependency
Initial commit of pcron-based taskman
Backing out changes to taskman; code path is full separate
Add workersup/child roles
Adding function to construct human time; license header
Adding notifier/gc intervals; add check for sup errors
Cleanup return paths from runWorker; make sure to return nextRun time
Add retasking script for pcron system
Add support for selectively disabling services in taskmaster
Use pcron.set_master to ensure only one worker is kicking notify/gc_work
Clarify comment
Minor code review cleanups

* Remove dead code in taskman-ng for TIMERS
* Clarify startTaskman in hallwayd.js
* Remove force parameter in runWorker
clearer default numbers, and remove scary task timeout timer, def wasn't forced
clarify
Merge pull request #755 from Singly/role-worker-child

add a workerchild role that takes pids from a parent process instead