Convert feed body to UTF-8
Convert feed body to UTF-8

fixes #308

mjibson/goread,mjibson/goread,beni55/goread,P7h/goread,beni55/goread,youprofit/goread,mjibson/goread,beni55/goread,mgaitan/goread,mikecb/goread,elancom/goread,doublehou/goread,youprofit/goread,doublehou/goread,elancom/goread,Feitianyuan/goread,wangjun/goread,lnmx/goread,mikecb/goread,lnmx/goread,mikecb/goread,P7h/goread,elancom/goread,wangjun/goread,Feitianyuan/goread,lnmx/goread,mgaitan/goread,doublehou/goread,wangjun/goread,Feitianyuan/goread,P7h/goread,mgaitan/goread,youprofit/goread