do not require nokogiri when RUBY_VERSION < 1.9.2 (nokogiri deprecated 1.8)
do not require nokogiri when RUBY_VERSION < 1.9.2 (nokogiri deprecated 1.8)

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