Typo corrections and minor copy editing of README.rdoc
Typo corrections and minor copy editing of README.rdoc

miyazawatomoka/sinatra,marocchino/sinatra,d-bot/sinatra,dariubs/sinatra,porras/sinatra,guidohcosta/sinatra,trexnix/sinatra,QLGu/sinatra,laplaceliu/sinatra,Rayheng/sinatra,Rayheng/sinatra,ksw2599/sinatra,autopp/sinatra,Callygraphy/morrissey,wzheng1/sinatra,jenalgit/sinatra,miyazawatomoka/sinatra,sethuster/sinatra,ABaldwinHunter/sinatra-classic,dariubs/sinatra,kumji/sinatra,cyberid41/sinatra,porras/sinatra,JonMidhir/sinatra,davydovanton/sinatra,ktw1222/sinatra,nicoayala/sinatra,eileencodes/sinatra,kyontan/sinatra,kgrz/sinatra,DoraALin/sinatra,kyontan/sinatra,d-bot/sinatra,RosenDimov/sinatra,davydovanton/sinatra,cyberid41/sinatra,mwpastore/sinatra,gferguson-gd/sinatra,ganmacs/sinatra,frechei/sinatra,DoraALin/sinatra,burningTyger/sinatra,midorineko/sinatra,emiliocorpus/sinatra,jkowens/sinatra,JonMidhir/sinatra,ABaldwinHunter/sinatra-classic,burningTyger/sinatra,nju520/sinatra,ktw1222/sinatra,midorineko/sinatra,lastcat/sinatra,sethuster/sinatra,defsprite/sinatra,Wirachmat/sinatra,defsprite/sinatra,sinatra/sinatra,nju520/sinatra,howtolearntocode/sinatra,Wirachmat/sinatra,guidohcosta/sinatra,frechei/sinatra,mwpastore/sinatra,trexnix/sinatra,sinatra/sinatra,lastcat/sinatra,emiliocorpus/sinatra,jkowens/sinatra,jkowens/sinatra,mwpastore/sinatra,nicoayala/sinatra,JonRowe/sinatra,JonMidhir/sinatra,eileencodes/sinatra,gferguson-gd/sinatra,howtolearntocode/sinatra,burningTyger/sinatra,jenalgit/sinatra,autopp/sinatra,ryanshaw/sinatra,wzheng1/sinatra,siberianbear/sinatra,kumji/sinatra,ryanshaw/sinatra,siberianbear/sinatra,ganmacs/sinatra,laplaceliu/sinatra,RosenDimov/sinatra,ksw2599/sinatra,QLGu/sinatra,JonRowe/sinatra