Make it clear how to build dependencies
And show how to hit the websockets interface
Merge pull request #5 from nrstott/master

Do not allow join with duplicate username
remove exec from start.sh
don't specify OTP version
Merge pull request #7 from bosshack/relax_otp_requirements

don't specify OTP version
Merge pull request #8 from bosshack/fix_start_script

remove exec from start.sh