NUT.mib: append nut to names
Just updated readme
snmp.nut: refactor agent
CachedMethod and Snmppass spun-off snmp.nut into isolated files.
This helps other usage of these files for other kind of snmp agents.
- required ruby>1.9
- added cached methods
- fix decimals when limit of type is not specified
- fix some warnings
- turn upsc method into a class. Now there is a fake, a cached and a raw one
- filtered threephase table based on avaiable properties
- add vim backups
- First commit