Added AppVeyor config file
Added AppVeyor config file

ttasanen/oga,jeffreybaird/oga,YorickPeterse/oga,jeffreybaird/oga,jeffreybaird/oga,YorickPeterse/oga,ttasanen/oga,altmetric/oga,altmetric/oga,dfockler/oga,ttasanen/oga,altmetric/oga,altmetric/oga,ttasanen/oga,YorickPeterse/oga,jeffreybaird/oga,jeffreybaird/oga,ttasanen/oga,dfockler/oga,YorickPeterse/oga,YorickPeterse/oga,dfockler/oga,dfockler/oga,dfockler/oga,altmetric/oga