Create CONTRIBUTING.md
Create CONTRIBUTING.md

Has the added benefit of triggering a flash message in github when people draft a new issue.
xirun/panamax-api,TravisCannon/panamax-api,TravisCannon/panamax-api,rheinwein/panamax-api,argvader/panamax-api,rheinwein/panamax-api,rheinwein/panamax-api,CenturyLinkLabs/panamax-api,argvader/panamax-api,argvader/panamax-api,argvader/panamax-api,CenturyLinkLabs/panamax-api,rheinwein/panamax-api,TravisCannon/panamax-api,CenturyLinkLabs/panamax-api,patocox/panamax-api,TravisCannon/panamax-api,CenturyLinkLabs/panamax-api,patocox/panamax-api,xirun/panamax-api,patocox/panamax-api,patocox/panamax-api,xirun/panamax-api