test ruby 2.0 on travis
test ruby 2.0 on travis

bricesanchez/surveyor,anitsirc/surveyor,lampo/surveyor,NUBIC/surveyor,NUBIC/surveyor,HeHStudy/surveyor,fhisamoto/surveyor,bricesanchez/surveyor,lampo/surveyor,anitsirc/surveyor,lampo/surveyor,blueboard/surveyor,alanjcfs/surveyor,Guestfolio/surveyor,blueboard/surveyor,lampo/surveyor,fhisamoto/surveyor,bricesanchez/surveyor,fhisamoto/surveyor,bricesanchez/surveyor,anitsirc/surveyor,anitsirc/surveyor,alanjcfs/surveyor,blueboard/surveyor,HeHStudy/surveyor,Guestfolio/surveyor,HeHStudy/surveyor,blueboard/surveyor,NUBIC/surveyor,HeHStudy/surveyor,alanjcfs/surveyor,Guestfolio/surveyor,alanjcfs/surveyor,Guestfolio/surveyor,fhisamoto/surveyor