support optional environment attribute in services to filter services by environment
support optional environment attribute in services to filter services by environment

firebase/nagios,ovaistariq/nagios,spudnic/nagios,firebase/nagios,schubergphilis/nagios,aaronkvanmeerten/nagios,JulianNL/nagios,aaronkvanmeerten/nagios,mrlamroger/nagios,popsikle/nagios-5.3.5,ovaistariq/nagios,polamjag/nagios,bitmonk/chef-nagios,OpenGov/nagios,ChrisLundquist/nagios,JulianNL/nagios,Piousbox-cookbooks/nagios,caleb/nagios,earzur/nagios,bitmonk/chef-nagios,earzur/nagios,JulianNL/nagios,Piousbox-cookbooks/nagios,ChrisLundquist/nagios,ChrisLundquist/nagios,aaronkvanmeerten/nagios,spudnic/nagios,spudnic/nagios,earzur/nagios,polamjag/nagios,Piousbox-cookbooks/nagios,schubergphilis/nagios,spudnic/nagios,mrlamroger/nagios,JulianNL/nagios,caleb/nagios,polamjag/nagios,OpenGov/nagios,mrlamroger/nagios,Piousbox-cookbooks/nagios,popsikle/nagios-5.3.5,mrlamroger/nagios,ovaistariq/nagios,OpenGov/nagios,bitmonk/chef-nagios,schubergphilis/nagios,firebase/nagios,bitmonk/chef-nagios,firebase/nagios,OpenGov/nagios