Misc. fixes in this release:
- Now monitoring server resources every 10 seconds if local active jobs, 60 seconds if not.
- Added Algorithm IDs (for use in API).
- Renamed a few algo IDs (prefer_first and prefer_last).
- Now logging res monitor stuff at debug level 10 to prevent spamming log.
- Changed default job_startup_grace to 5 seconds.
- cp.exec for ps -ef now has a 5 sec timeout.