Add REST diagram for GET and HEAD
Add REST diagram for GET and HEAD

odo/cowboy,bobos/ecweb,binarin/cowboy,pap/cowboy,callsign-core/cowboy_hybi00,paulperegud/cowboy,binarin/cowboy,Reimerei/cowboy,acrispin/cowboy,yangchengjian/cowboy,omusico/cowboy,dangjun625/cowboy,cad627/cowboy,bsmr-erlang/cowboy,K2InformaticsGmbH/cowboy,cad627/cowboy,yangchengjian/cowboy,turtleDeng/cowboy,sile/cowboy,kivra/cowboy,rabbitmq/cowboy,imdeps/cowboy,callsign-core/cowboy_hybi00,ninenines/cowboy,hairyhum/cowboy,noname007/cowboy,276361270/cowboy,grahamrhay/cowboy,CrankWheel/cowboy,nviennot/cowboy