Lock rake to 10.1.x for ruby 1.8 compat
Lock rake to 10.1.x for ruby 1.8 compat

cmluciano/ohai,jseely/ohai,http-418/ohai,Juniper/ohai,higanworks/ohai,higanworks/ohai,phreakocious/ohai,numericillustration/ohai,bougyman/ohai,cmluciano/ohai,johnbellone/ohai,jbfavre/ohai,acaiafa/ohai,adamleff/ohai,dreamnite/ohai,Fodoj/ohai,375gnu/ohai,btm/ohai,375gnu/ohai,sh9189/ohai,tas50/ohai-1,jbfavre/ohai,chef/ohai,adamleff/ohai,juliandunn/ohai,nathwill/ohai,Juniper/ohai,n-marton/ohai,mattray/ohai,phreakocious/ohai,acaiafa/ohai,Fodoj/ohai,tas50/ohai-1,zshuo/ohai,jaymzh/ohai,criteo-forks/ohai,shtzr840329/ohai,jseely/ohai,davide125/ohai,zshuo/ohai,chef/ohai,davide125/ohai,criteo-forks/ohai,glennmatthews/ohai,numericillustration/ohai,sh9189/ohai,dreamnite/ohai,johnbellone/ohai,n-marton/ohai,btm/ohai,http-418/ohai,nathwill/ohai,mattray/ohai,bougyman/ohai,jaymzh/ohai,glennmatthews/ohai,juliandunn/ohai,shtzr840329/ohai