adding some Rails 3.x documentation to the 2-minute demo instructions
adding some Rails 3.x documentation to the 2-minute demo instructions

beni55/vanity,Futurelearn/vanity,glioinc/vanity,beni55/vanity,CGTrader/vanity,mockra/vanity,Headlinerfm/vanity,Futurelearn/vanity,HealthyDelivery/vanity,Mario245/vanity,livingsocial/vanity,livingsocial/vanity,peterkovacs/vanity,Futurelearn/vanity,HealthyDelivery/vanity,CGTrader/vanity,assaf/vanity,glioinc/vanity,peterkovacs/vanity,peterkovacs/vanity,Mario245/vanity,beni55/vanity,Headlinerfm/vanity,Mario245/vanity,assaf/vanity,CGTrader/vanity,HealthyDelivery/vanity,assaf/vanity,mockra/vanity,glioinc/vanity,mockra/vanity