Improves visual identification for sensors
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* Fix Zynos temp warn limit
And others, but this seems to be the only one that uses
remove some odd limit restriction in the poller
* More consistent rounding for sensor limits
* round all numeric limits to 10 digits
* update test data
* Remove complex calculation as negative limit values are already swapped as needed.
* Adding ifType to base_oids
* Improve discovery (update ifType) and polling (save ifType)
* Updated test data
* Updated json test data
* vlan isn't filtered by default :P
* With default ignored ports
* Update newer test data
