set iojs version to 2.1.0 temporarily
set iojs version to 2.1.0 temporarily

garysye/async,steverobb/async,FrankSunnyvale/async,Segeon-Kim/async,Kikobeats/async,youprofit/async,evdevgit/async,haggholm/async,FrankSunnyvale/async,DanieleTassone/async,wrenth04/async,abhishekgahlot/async,pandoraui/async,ariesnah/async,kolomiichenko/async,jnordberg/async,modulexcite/async,Zhang/async,chaddm/async,caolan/async,KnottedRain/async,lonely8rain/async,xiebaochun/async,wrenth04/async,JulianVolodia/async,jamesjnadeau/async,llwanghong/async,steverobb/async,sjclijie/async,sjclijie/async,ariesnah/async,tjwudi/async,markyen/async,r14r/fork_javascript_async,Connectlegendary/async,ezubarev/async,moander/async,RickyDan/async,gypsydave5/async,megawac/async,zhakui/async,rborisov/async,rlugojr/async,renruixi/async,suguru03/async,ecasilla/async,evdevgit/async,JulianVolodia/async,DanieleTassone/async,XM-Right/async,youprofit/async,jaruba/async,pandoraui/async,justincy/async,KnottedRain/async,XM-Right/async,jamesjnadeau/async,navyxie/async,beni55/async,llwanghong/async,Segeon-Kim/async,hargasinski/async,zhhb/async,kolomiichenko/async,megawac/async,carck/async,renruixi/async,SaiNadh001/async,andalm/async,scq000/async,justincy/async,LeoYao/async,RickyDan/async,Segeon-Kim/async,ibakaidov/async,r14r/fork_javascript_async,imjerrybao/async,hargasinski/async,andalm/async,ecasilla/async,zhhb/async,ezubarev/async,ibakaidov/async,tjwudi/async,jaruba/async,caolan/async,DDunc/async,jnordberg/async,imjerrybao/async,scq000/async,mcanthony/async,abhishekgahlot/async,carck/async,r14r-work/fork_javascript_async,modulexcite/async,rlugojr/async,moander/async,markyen/async,Connectlegendary/async,gypsydave5/async,navyxie/async,suguru03/async,Qix-/async,DaAwesomeP/async,mcanthony/async,bjlxj2008/async,SaiNadh001/async,lonely8rain/async,garysye/async,beni55/async,Qix-/async,bjlxj2008/async,zhakui/async,haggholm/async,arigo-software/async,rborisov/async,DDunc/async,r14r-work/fork_javascript_async,xiebaochun/async,arigo-software/async,Kikobeats/async,Zhang/async,LeoYao/async,chaddm/async,DaAwesomeP/async