Updated changelog.
Updated changelog.

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