Update release notes.
Update release notes.

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