Update ruby versions tested with on Travis
Update ruby versions tested with on Travis
bitmonk/nrpe,bitmonk/nrpe,schubergphilis/nrpe,bitmonk/nrpe,glensc/chef-cookbook-nrpe,glensc/chef-cookbook-nrpe,schubergphilis/nrpe,glensc/chef-cookbook-nrpe,schubergphilis/nrpe