Update version and github_page in documentation
Update version and github_page in documentation

slovdahl/metrics,egymgmbh/metrics,ohr/metrics,tempredirect/metrics,mattnelson/metrics,mspiegel/metrics,gburton1/metrics,wfxiang08/metrics,AltitudeDigital/metrics,chenxianghua2014/metrics,cirrus-dev/metrics,jasw/metrics,mtakaki/metrics,ChetnaChaudhari/metrics,bentatham/metrics,signalfx/metrics,jplock/metrics,mnuessler/metrics,randomstatistic/metrics,gburton1/metrics,rexren/metrics,ind9/metrics,timezra/metrics,valery1707/dropwizard-metrics,unitsofmeasurement/metrics,mt0803/metrics,kevintvh/metrics