Updated CONTRIBUTORS.
Updated CONTRIBUTORS.

mveitas/metrics,slovdahl/metrics,thelastpickle/metrics,gburton1/metrics,gorzell/metrics,gorzell/metrics,AltitudeDigital/metrics,Banno/metrics,scullxbones/metrics-scala,ChetnaChaudhari/metrics,maciej/metrics-scala,valery1707/dropwizard-metrics,randomstatistic/metrics,fcrepo4-archive/metrics,bentatham/metrics,ohr/metrics,gburton1/metrics,ind9/metrics,egymgmbh/metrics,wickedshimmy/metrics-scala,jplock/metrics,mnuessler/metrics,gorzell/metrics,dropwizard/metrics,infusionsoft/yammer-metrics,infusionsoft/yammer-metrics,dropwizard/metrics,jasw/metrics,unitsofmeasurement/metrics,tempredirect/metrics,erikvanoosten/metrics-scala,mveitas/metrics,chenxianghua2014/metrics,mt0803/metrics,slachiewicz/metrics,mattnelson/metrics,cirrus-dev/metrics,wfxiang08/metrics,rexren/metrics,fcrepo4-archive/metrics,timezra/metrics,kevintvh/metrics,mspiegel/metrics,signalfx/metrics,mtakaki/metrics,dropwizard/metrics