Poke appveyor
Poke appveyor

Should fix #569
j2objc-contrib/j2objc-gradle,j2objc-contrib/j2objc-gradle,maxbritto/j2objc-gradle,j2objc-contrib/j2objc-gradle,maxbritto/j2objc-gradle,maxbritto/j2objc-gradle,maxbritto/j2objc-gradle,j2objc-contrib/j2objc-gradle