modify Gemfile.lock
modify Gemfile.lock

tekd/hack-overflow,nyc-dragonflies-2015/hack-overflow,tgoldenberg/hack-overflow,tekd/hack-overflow,tekd/hack-overflow,nyc-dragonflies-2015/hack-overflow,nyc-dragonflies-2015/hack-overflow,tgoldenberg/hack-overflow,tgoldenberg/hack-overflow