* add new ingressClass
* add doc
* lint
* adjust behavior to look for a class with a specific controller
* remove looking strange test ingressclass
* return nil rather than en empty object
* change documentation
* apply @kevinpollet suggestion
* change order of processIngress to be correct and adjust tests
* review: clean.
* review: clean.
* Fix for review
Co-authored-by: Manuel Zapf <manuel@containo.us>
Co-authored-by: Fernandez Ludovic <ludovic@containo.us>
Co-authored-by: Michael <michael.matur@gmail.com>