Updated readme for beta-6 release
Updated readme for beta-6 release

jekh/browsermob-proxy,iandeveseleer/browsermob-proxy,lightbody/browsermob-proxy,lightbody/browsermob-proxy,stevenliuit/browsermob-proxy,bltb/browsermob-proxy,lightbody/browsermob-proxy,browserup/browserup-proxy,jekh/browsermob-proxy,browserup/browserup-proxy,iandeveseleer/browsermob-proxy,browserup/browserup-proxy,bltb/browsermob-proxy,iandeveseleer/browsermob-proxy,browserup/browserup-proxy,bltb/browsermob-proxy,jekh/browsermob-proxy