new readme
new readme

almet/mkt-slides,ametaireau/mkt-slides,julienw/offline-web-ffosdays,soapdog/apresentacao-mobileconf-firefoxos,Yoric/Talks-FOSSa-2012,leobalter/frontinmaringa2012,Yoric/Talks-Paris-7-2013,soapdog/apresentacao-riojs-firefoxos