Foundation overlay: stringByAppendingFormat -> appendingFormat.
Foundation overlay: stringByAppendingFormat -> appendingFormat.

This API didn't get updated to match the Swift 3 name of this
method. Thanks to Nate Cook for finding the error!

harlanhaskins/swift,OscarSwanros/swift,tkremenek/swift,jopamer/swift,milseman/swift,johnno1962d/swift,amraboelela/swift,hooman/swift,codestergit/swift,uasys/swift,hughbe/swift,KrishMunot/swift,shahmishal/swift,tjw/swift,danielmartin/swift,aschwaighofer/swift,russbishop/swift,modocache/swift,zisko/swift,KrishMunot/swift,practicalswift/swift,modocache/swift,modocache/swift,modocache/swift,russbishop/swift,tardieu/swift,practicalswift/swift,johnno1962d/swift,xedin/swift,sschiau/swift,nathawes/swift,deyton/swift,deyton/swift,hooman/swift,gmilos/swift,apple/swift,jckarter/swift,calebd/swift,austinzheng/swift,devincoughlin/swift,karwa/swift,glessard/swift,calebd/swift,stephentyrone/swift,jmgc/swift,manavgabhawala/swift,hooman/swift,kperryua/swift,IngmarStein/swift,austinzheng/swift,dduan/swift,shahmishal/swift,JaSpa/swift,deyton/swift,allevato/swift,airspeedswift/swift,devincoughlin/swift,amraboelela/swift,shajrawi/swift,milseman/swift,shajrawi/swift,tkremenek/swift,return/swift,danielmartin/swift,gregomni/swift,hooman/swift,arvedviehweger/swift,benlangmuir/swift,IngmarStein/swift,tjw/swift,tkremenek/swift,benlangmuir/swift,modocache/swift,ken0nek/swift,Jnosh/swift,felix91gr/swift,brentdax/swift,JGiola/swift,tardieu/swift,apple/swift,swiftix/swift,hughbe/swift,danielmartin/swift,austinzheng/swift,tkremenek/swift,russbishop/swift,alblue/swift,frootloops/swift,deyton/swift,airspeedswift/swift,stephentyrone/swift,huonw/swift,uasys/swift,dduan/swift,jopamer/swift,jtbandes/swift,glessard/swift,gottesmm/swift,practicalswift/swift,frootloops/swift,jmgc/swift,ahoppen/swift,brentdax/swift,JaSpa/swift,russbishop/swift,karwa/swift,roambotics/swift,jtbandes/swift,karwa/swift,OscarSwanros/swift,parkera/swift,JaSpa/swift,IngmarStein/swift,johnno1962d/swift,deyton/swift,bitjammer/swift,shahmishal/swift,zisko/swift,milseman/swift,rudkx/swift,tjw/swift,kperryua/swift,tinysun212/swift-windows,shajrawi/swift,glessard/swift,SwiftAndroid/swift,roambotics/swift,swiftix/swift,gribozavr/swift,danielmartin/swift,alblue/swift,jtbandes/swift,bitjammer/swift,dreamsxin/swift,devincoughlin/swift,rudkx/swift,jtbandes/swift,rudkx/swift,tardieu/swift,allevato/swift,xwu/swift,amraboelela/swift,tardieu/swift,benlangmuir/swift,zisko/swift,austinzheng/swift,manavgabhawala/swift,therealbnut/swift,dduan/swift,deyton/swift,calebd/swift,gmilos/swift,tkremenek/swift,milseman/swift,aschwaighofer/swift,frootloops/swift,gottesmm/swift,huonw/swift,shajrawi/swift,practicalswift/swift,swiftix/swift,SwiftAndroid/swift,KrishMunot/swift,hughbe/swift,allevato/swift,rudkx/swift,karwa/swift,glessard/swift,roambotics/swift,aschwaighofer/swift,sschiau/swift,jckarter/swift,xedin/swift,danielmartin/swift,benlangmuir/swift,arvedviehweger/swift,kperryua/swift,tjw/swift,frootloops/swift,Jnosh/swift,sschiau/swift,kperryua/swift,practicalswift/swift,shahmishal/swift,atrick/swift,parkera/swift,gribozavr/swift,harlanhaskins/swift,bitjammer/swift,KrishMunot/swift,return/swift,tinysun212/swift-windows,jckarter/swift,gmilos/swift,felix91gr/swift,harlanhaskins/swift,therealbnut/swift,sschiau/swift,return/swift,SwiftAndroid/swift,swiftix/swift,gmilos/swift,lorentey/swift,tardieu/swift,brentdax/swift,brentdax/swift,gregomni/swift,ben-ng/swift,tinysun212/swift-windows,russbishop/swift,practicalswift/swift,brentdax/swift,tinysun212/swift-windows,karwa/swift,practicalswift/swift,shajrawi/swift,swiftix/swift,dduan/swift,bitjammer/swift,calebd/swift,devincoughlin/swift,gmilos/swift,jtbandes/swift,gribozavr/swift,apple/swift,atrick/swift,felix91gr/swift,benlangmuir/swift,zisko/swift,huonw/swift,xedin/swift,IngmarStein/swift,jmgc/swift,atrick/swift,uasys/swift,OscarSwanros/swift,kstaring/swift,deyton/swift,return/swift,xwu/swift,OscarSwanros/swift,tkremenek/swift,harlanhaskins/swift,dduan/swift,calebd/swift,bitjammer/swift,frootloops/swift,codestergit/swift,jopamer/swift,ahoppen/swift,dduan/swift,kperryua/swift,modocache/swift,austinzheng/swift,alblue/swift,xedin/swift,JGiola/swift,gottesmm/swift,karwa/swift,therealbnut/swift,uasys/swift,shahmishal/swift,huonw/swift,gribozavr/swift,harlanhaskins/swift,arvedviehweger/swift,harlanhaskins/swift,ken0nek/swift,gribozavr/swift,felix91gr/swift,felix91gr/swift,glessard/swift,JaSpa/swift,calebd/swift,CodaFi/swift,swiftix/swift,CodaFi/swift,hughbe/swift,ben-ng/swift,gottesmm/swift,stephentyrone/swift,brentdax/swift,aschwaighofer/swift,arvedviehweger/swift,atrick/swift,aschwaighofer/swift,hughbe/swift,SwiftAndroid/swift,allevato/swift,bitjammer/swift,manavgabhawala/swift,ben-ng/swift,natecook1000/swift,roambotics/swift,CodaFi/swift,roambotics/swift,djwbrown/swift,airspeedswift/swift,sschiau/swift,zisko/swift,atrick/swift,manavgabhawala/swift,danielmartin/swift,harlanhaskins/swift,djwbrown/swift,xwu/swift,ken0nek/swift,KrishMunot/swift,JGiola/swift,ahoppen/swift,uasys/swift,dduan/swift,huonw/swift,natecook1000/swift,nathawes/swift,amraboelela/swift,jopamer/swift,return/swift,sschiau/swift,gribozavr/swift,felix91gr/swift,IngmarStein/swift,swiftix/swift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