Add : check_ways objects.
Fix : remove useless print in checkways code.
Fix : maybe it can fix a bug on this test under windows. Maybe.
Fix : the test nrpe is not working on windows. maybe because how multiprocess work on windows, with re-import the current file hwne launching the sub-process. Not really important here.
Change style to span / eltdetail
Fix: Missing quote in host state notification e-mails

Issue: #784
Add : rename checkways into checkmodulation
Add : test case about check modulations.
Fix : merge conflicts.