Fix opening file from osx file manager - close #2053
Fix opening file from osx file manager - close #2053

bruno-oliveira/LightTable,sbauer322/LightTable,sbauer322/LightTable,bruno-oliveira/LightTable,bruno-oliveira/LightTable,LightTable/LightTable,LightTable/LightTable,Bost/LightTable,Bost/LightTable,Bost/LightTable,kenny-evitt/LightTable,rundis/LightTable,rundis/LightTable,sbauer322/LightTable,kenny-evitt/LightTable,rundis/LightTable,LightTable/LightTable,kenny-evitt/LightTable