Use data_update instead of rrd_update/rrd_create and influx_update
Centralize rrd file check so we can check against a remote rrdcached server too
Use rrd_name() to generate rrd file names
- Moved check-services.php to a poller module
- Added performance data collection to the poller
- Centralised DB functions to includes/services.inc.php
- Created add/edit/delete functions off the device, services page
- Removed legacy edit/delete interfaces.
- Moved and modified check.inc scripts
- Documentation Updates
- Modified services table
