add travis config
add travis config

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