Fixes #3565 - Allow KOHANA_ENV to be specified as a string rather than an int.
Fixes #3565 - Allow KOHANA_ENV to be specified as a string rather than an int.

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