Replace file_exists() with is_file() in Kohana::modules()
Replace file_exists() with is_file() in Kohana::modules()

driutheman/kohana,JanvanCasteren/kohana,16nsk/kohana,yeysman/kohana,ajose1024/kohana,jellycheng/kohana,web-player/kohana,kebot/GiBeans,enov/Aurora-QA,qianzy96/kohana,driutheman/kohana,madeofpeople/latticeFolio,acoulton/slowtask-demo,Konro1/pms,dreamsxin/kohana,exlant/kohana,OpenBuildings/jam-resource,madeofpeople/latticeFolio,anhnt0212/kohana,madeofpeople/latticeFolio,mattwadey/kohana,kohana/kohana,ryross/konfig_test,exlant/kohana,zhangjingpu/kohana,gold3bear/kohana,gartz/KohanaCV,manyahin/moviestest