* refactor: remove duplicated data collection in old wifi module
Still a bit more work before we can fully remove it
* remove unused graphs
update overview graphs for some wireless os
* feature: Allow customisation of rrd step/heartbeat when creating new rrd files
* revert defaults
* added docs + webui config option
* Move RrdDefinition to an Object to make them easier to create and remove the possibility of typos.
* Fix style/lint issues and missing use statements
* 3 more missing use statements
* updated doc + moved schema file
More mibs needed from http://www.ieee802.org/1/files/public/MIBs/
Updated mib names
Updated poller function and siklu call
Updates for Siklu detection
Removed one graph not supported
Added rfOperationalFrequency graph
Removed modulation graph
Work on siklu support
Siklu packets supports
Last updates for Siklu support
Updated more siklu support
Tony Murray
Neil Lathwood
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