use plccache, instead of directly loading pkl files

use plccache, instead of directly loading pkl files
	dumpact.py
	pcuinfo.py
	findbad.py
	showlatlon.py
	nodebad.py
	pcubad.py
	dumpdiag.py
	findbadpcu.py
	nodeinfo.py
	sitebad.py
	monitor_policy.py

operate on new database model
	nodequery.py
	clean_policy.py
	nodecommon.py  - updated key names in fields
	bootman.py
	nodeinfo.py
	siteinfo.py
	nodegroups.py
	nodeconfig.py

Use latest monitor module
	getconf.py
	grouprins.py

todo