Use ruby 2.0.0
Use ruby 2.0.0

deih/challenge_app,rafryb/challenge_app,syriuszp/challenge_app,deih/challenge_app,joannazet/challenge_app,ksobczynska/challenge_app,paweltar/challenge_app,sarwer/challenge_app,xardif/challenge_app,xardif/challenge_app,czmiel/challenge_app,ownadi/challenge_app,myf9000/challenge_app,Klepsz/challenge_app,ankawiecorek/challenge_app,joannazet/challenge_app,marcinkornek/challange-app,marcinkornek/challange-app,myf9000/challenge_app,syriuszp/challenge_app,deih/challenge_app,railsbeginner/challenge_app,marcindrozd/challenge_app,BobcatMK/Challenge_application,marcindrozd/challenge_app,Andrianka/challenge_app,railsbeginner/challenge_app,marcindrozd/challenge_app,piotrekkopanski/challange_app,BobcatMK/Challenge_application,naraj/challenge_app,WozniakMac/challenge_app,ownadi/challenge_app,Majki123/challenge_app,matdarg/challenge_app,rafryb/challenge_app,mrydecki/challenge_app,paweltar/challenge_app,myf9000/challenge_app,hussar-academy/challenge_app,trystek/challenge_app,folque/challenge_app,sjrv/challenge_app,paweltar/challenge_app,railsbeginner/challenge_app,mrydecki/challenge_app,sjrv/challenge_app,Andrianka/challenge_app,matdarg/challenge_app,naraj/challenge_app,trystek/challenge_app,Majki123/challenge_app,folque/challenge_app,ankawiecorek/challenge_app,piotrekkopanski/challange_app,ankawiecorek/challenge_app,WozniakMac/challenge_app,hussar-academy/challenge_app,rafryb/challenge_app,ksobczynska/challenge_app,piotrekkopanski/challange_app,ksobczynska/challenge_app,WozniakMac/challenge_app,trystek/challenge_app,Klepsz/challenge_app,sarwer/challenge_app,czmiel/challenge_app