yaml os discovery now respects the os mib_dir definition
mib_dir now only allows strings, not arrays
changed schema validation to account for that
consolidated dell mibs, no reason for them to be spread out
* refactor: Updated discovery to use a core module for sysDescr/sysObjectID use
* final update hopefully
* revert changes
* more changes + docs
* migrated poller to use numerical sysObjectID
* more updates for sysObjectID
* update any alert rules which might have enterprises. in
* moved schema file
* small updates
* updated getHostOS()
* scrut fixes
* updated sysObjectId -> sysObjectID
* updated sysObjectId -> sysObjectID
* updated remainder of sysObjectId -> sysObjectID
* another sysObjectId -> sysObjectID
* fixed secureplatform test data
* Fix tests: $device is not pulled from the database before polling
Also, update the db in the core discovery module.
