Revert "Don't use reserved names in PlaygroundTransform"
Revert "Don't use reserved names in PlaygroundTransform"

This reverts commit r23985 because it depends on r23984, which I'm
reverting.

Swift SVN r23987

Ivacker/swift,shajrawi/swift,stephentyrone/swift,tjw/swift,russbishop/swift,OscarSwanros/swift,roambotics/swift,jckarter/swift,allevato/swift,karwa/swift,parkera/swift,tardieu/swift,djwbrown/swift,hughbe/swift,nathawes/swift,russbishop/swift,dduan/swift,codestergit/swift,dduan/swift,emilstahl/swift,gribozavr/swift,khizkhiz/swift,swiftix/swift.old,bitjammer/swift,devincoughlin/swift,shahmishal/swift,kentya6/swift,hooman/swift,hooman/swift,jmgc/swift,milseman/swift,parkera/swift,stephentyrone/swift,gregomni/swift,felix91gr/swift,natecook1000/swift,swiftix/swift,JaSpa/swift,emilstahl/swift,kusl/swift,jmgc/swift,parkera/swift,gregomni/swift,IngmarStein/swift,hughbe/swift,slavapestov/swift,Ivacker/swift,tjw/swift,khizkhiz/swift,CodaFi/swift,karwa/swift,alblue/swift,KrishMunot/swift,JaSpa/swift,russbishop/swift,gottesmm/swift,slavapestov/swift,parkera/swift,LeoShimonaka/swift,tjw/swift,sschiau/swift,tardieu/swift,return/swift,cbrentharris/swift,IngmarStein/swift,codestergit/swift,roambotics/swift,kperryua/swift,kperryua/swift,manavgabhawala/swift,harlanhaskins/swift,adrfer/swift,gribozavr/swift,ahoppen/swift,dduan/swift,glessard/swift,KrishMunot/swift,tardieu/swift,arvedviehweger/swift,tardieu/swift,amraboelela/swift,calebd/swift,hughbe/swift,deyton/swift,Ivacker/swift,khizkhiz/swift,jmgc/swift,natecook1000/swift,manavgabhawala/swift,mightydeveloper/swift,IngmarStein/swift,cbrentharris/swift,parkera/swift,brentdax/swift,therealbnut/swift,atrick/swift,CodaFi/swift,JaSpa/swift,roambotics/swift,lorentey/swift,amraboelela/swift,LeoShimonaka/swift,devincoughlin/swift,JGiola/swift,emilstahl/swift,felix91gr/swift,huonw/swift,jckarter/swift,ken0nek/swift,sdulal/swift,danielmartin/swift,Jnosh/swift,tkremenek/swift,russbishop/swift,Ivacker/swift,bitjammer/swift,swiftix/swift.old,kstaring/swift,rudkx/swift,sschiau/swift,calebd/swift,deyton/swift,arvedviehweger/swift,apple/swift,austinzheng/swift,djwbrown/swift,dduan/swift,amraboelela/swift,therealbnut/swift,zisko/swift,felix91gr/swift,OscarSwanros/swift,apple/swift,roambotics/swift,harlanhaskins/swift,kusl/swift,modocache/swift,allevato/swift,glessard/swift,huonw/swift,frootloops/swift,airspeedswift/swift,CodaFi/swift,brentdax/swift,xedin/swift,mightydeveloper/swift,benlangmuir/swift,SwiftAndroid/swift,modocache/swift,russbishop/swift,khizkhiz/swift,ken0nek/swift,huonw/swift,shajrawi/swift,glessard/swift,milseman/swift,sdulal/swift,MukeshKumarS/Swift,austinzheng/swift,allevato/swift,arvedviehweger/swift,huonw/swift,manavgabhawala/swift,Ivacker/swift,apple/swift,aschwaighofer/swift,bitjammer/swift,nathawes/swift,uasys/swift,OscarSwanros/swift,ben-ng/swift,sdulal/swift,kstaring/swift,tkremenek/swift,therealbnut/swift,practicalswift/swift,kentya6/swift,alblue/swift,glessard/swift,gottesmm/swift,SwiftAndroid/swift,kstaring/swift,CodaFi/swift,KrishMunot/swift,KrishMunot/swift,zisko/swift,SwiftAndroid/swift,hooman/swift,shahmishal/swift,manavgabhawala/swift,sschiau/swift,adrfer/swift,xedin/swift,swiftix/swift.old,gottesmm/swift,milseman/swift,OscarSwanros/swift,zisko/swift,glessard/swift,aschwaighofer/swift,shajrawi/swift,SwiftAndroid/swift,dreamsxin/swift,JGiola/swift,kperryua/swift,ahoppen/swift,gottesmm/swift,LeoShimonaka/swift,return/swift,xwu/swift,airspeedswift/swift,LeoShimonaka/swift,parkera/swift,harlanhaskins/swift,swiftix/swift.old,CodaFi/swift,kentya6/swift,zisko/swift,sdulal/swift,kusl/swift,rudkx/swift,natecook1000/swift,cbrentharris/swift,practicalswift/swift,emilstahl/swift,frootloops/swift,lorentey/swift,calebd/swift,karwa/swift,deyton/swift,shajrawi/swift,tkremenek/swift,jopamer/swift,practicalswift/swift,airspeedswift/swift,arvedviehweger/swift,russbishop/swift,allevato/swift,frootloops/swift,CodaFi/swift,MukeshKumarS/Swift,airspeedswift/swift,ben-ng/swift,milseman/swift,lorentey/swift,devincoughlin/swift,xwu/swift,russbishop/swift,airspeedswift/swift,dreamsxin/swift,cbrentharris/swift,MukeshKumarS/Swift,stephentyrone/swift,calebd/swift,return/swift,gribozavr/swift,johnno1962d/swift,airspeedswift/swift,roambotics/swift,johnno1962d/swift,codestergit/swift,gottesmm/swift,rudkx/swift,danielmartin/swift,tjw/swift,calebd/swift,arvedviehweger/swift,cbrentharris/swift,JGiola/swift,therealbnut/swift,ben-ng/swift,tinysun212/swift-windows,tardieu/swift,modocache/swift,adrfer/swift,danielmartin/swift,stephentyrone/swift,IngmarStein/swift,JaSpa/swift,kentya6/swift,modocache/swift,arvedviehweger/swift,swiftix/swift.old,manavgabhawala/swift,felix91gr/swift,jmgc/swift,jopamer/swift,shajrawi/swift,jckarter/swift,sschiau/swift,gregomni/swift,hughbe/swift,kstaring/swift,nathawes/swift,allevato/swift,amraboelela/swift,bitjammer/swift,tinysun212/swift-windows,brentdax/swift,ken0nek/swift,djwbrown/swift,ahoppen/swift,kperryua/swift,xedin/swift,return/swift,rudkx/swift,therealbnut/swift,emilstahl/swift,manavgabhawala/swift,alblue/swift,kperryua/swift,kperryua/swift,shahmishal/swift,johnno1962d/swift,johnno1962d/swift,natecook1000/swift,bitjammer/swift,gmilos/swift,danielmartin/swift,djwbrown/swift,Ivacker/swift,jtbandes/swift,mightydeveloper/swift,jtbandes/swift,uasys/swift,frootloops/swift,devincoughlin/swift,austinzheng/swift,roambotics/swift,ken0nek/swift,MukeshKumarS/Swift,calebd/swift,gmilos/swift,austinzheng/swift,jtbandes/swift,harlanhaskins/swift,xwu/swift,JaSpa/swift,swiftix/swift.old,benlangmuir/swift,hooman/swift,kentya6/swift,slavapestov/swift,sdulal/swift,atrick/swift,therealbnut/swift,lorentey/swift,johnno1962d/swift,xwu/swift,alblue/swift,KrishMunot/swift,gregomni/swift,arvedviehweger/swift,devincoughlin/swift,KrishMunot/swift,austinzheng/swift,slavapestov/swift,ahoppen/swift,karwa/swift,alblue/swift,brentdax/swift,bitjammer/swift,gribozavr/swift,bitjammer/swift,austinzheng/swift,natecook1000/swift,ken0nek/swift,alblue/swift,kusl/swift,rudkx/swift,ahoppen/swift,allevato/swift,brentdax/swift,jtbandes/swift,IngmarStein/swift,harlanhaskins/swift,practicalswift/swift,sdulal/swift,SwiftAndroid/swift,aschwaighofer/swift,adrfer/swift,huonw/swift,brentdax/swift,gmilos/swift,devincoughlin/swift,kentya6/swift,tkremenek/swift,khizkhiz/swift,slavapestov/swift,uasys/swift,tjw/swift,KrishMunot/swift,zisko/swift,austinzheng/swift,LeoShimonaka/swift,jmgc/swift,shajrawi/swift,johnno1962d/swift,codestergit/swift,practicalswift/swift,parkera/swift,jopamer/swift,slavapestov/swift,ben-ng/swift,kperryua/swift,SwiftAndroid/swift,jmgc/swift,brentdax/swift,gmilos/swift,swiftix/swift,Ivacker/swift,hughbe/swift,tkremenek/swift,JaSpa/swift,johnno1962d/swift,gregomni/swift,gottesmm/swift,huonw/swift,emilstahl/swift,stephentyrone/swift,tinysun212/swift-windows,jckarter/swift,gottesmm/swift,aschwaighofer/swift,frootloops/swift,aschwaighofer/swift,kstaring/swift,alblue/swift,practicalswift/swift,Jnosh/swift,manavgabhawala/swift,IngmarStein/swift,xwu/swift,sschiau/swift,tkremenek/swift,hooman/swift,jopamer/swift,IngmarStein/swift,MukeshKumarS/Swift,parkera/swift,gribozavr/swift,shahmishal/swift,cbrentharris/swift,gmilos/swift,harlanhaskins/swift,natecook1000/swift,harlanhaskins/swift,cbrentharris/swift,gribozavr/swift,ben-ng/swift,CodaFi/swift,aschwaighofer/swift,frootloops/swift,airspeedswift/swift,nathawes/swift,felix91gr/swift,emilstahl/swift,codestergit/swift,calebd/swift,dduan/swift,hooman/swift,practicalswift/swift,xedin/swift,kentya6/swift,aschwaighofer/swift,natecook1000/swift,kusl/swift,sschiau/swift,djwbrown/swift,xedin/swift,kusl/swift,atrick/swift,cbrentharris/swift,lorentey/swift,tinysun212/swift-windows,deyton/swift,jtbandes/swift,karwa/swift,danielmartin/swift,shahmishal/swift,tinysun212/swift-windows,stephentyrone/swift,deyton/swift,MukeshKumarS/Swift,return/swift,return/swift,uasys/swift,Jnosh/swift,deyton/swift,benlangmuir/swift,felix91gr/swift,ken0nek/swift,uasys/swift,hughbe/swift,karwa/swift,nathawes/swift,kusl/swift,swiftix/swift,SwiftAndroid/swift,deyton/swift,sschiau/swift,mightydeveloper/swift,tkremenek/swift,glessard/swift,modocache/swift,atrick/swift,devincoughlin/swift,nathawes/swift,practicalswift/swift,amraboelela/swift,Jnosh/swift,LeoShimonaka/swift,tardieu/swift,mightydeveloper/swift,dduan/swift,frootloops/swift,kstaring/swift,djwbrown/swift,xwu/swift,milseman/swift,lorentey/swift,tardieu/swift,jtbandes/swift,huonw/swift,swiftix/swift,sdulal/swift,OscarSwanros/swift,djwbrown/swift,gmilos/swift,hughbe/swift,OscarSwanros/swift,milseman/swift,shahmishal/swift,jopamer/swift,jtbandes/swift,swiftix/swift,xedin/swift,tinysun212/swift-windows,kentya6/swift,benlangmuir/swift,swiftix/swift,sdulal/swift,khizkhiz/swift,danielmartin/swift,swiftix/swift.old,emilstahl/swift,nathawes/swift,benlangmuir/swift,xwu/swift,tjw/swift,milseman/swift,return/swift,adrfer/swift,jopamer/swift,gregomni/swift,atrick/swift,kusl/swift,swiftix/swift.old,Jnosh/swift,kstaring/swift,LeoShimonaka/swift,ken0nek/swift,devincoughlin/swift,benlangmuir/swift,modocache/swift,ahoppen/swift,codestergit/swift,khizkhiz/swift,JGiola/swift,gmilos/swift,lorentey/swift,JGiola/swift,lorentey/swift,uasys/swift,karwa/swift,xedin/swift,dduan/swift,shahmishal/swift,mightydeveloper/swift,ben-ng/swift,jckarter/swift,shahmishal/swift,jckarter/swift,zisko/swift,atrick/swift,gribozavr/swift,gribozavr/swift,Jnosh/swift,OscarSwanros/swift,swiftix/swift,danielmartin/swift,adrfer/swift,MukeshKumarS/Swift,apple/swift,codestergit/swift,uasys/swift,rudkx/swift,modocache/swift,shajrawi/swift,JaSpa/swift,sschiau/swift,ben-ng/swift,allevato/swift,xedin/swift,felix91gr/swift,hooman/swift,amraboelela/swift,jopamer/swift,shajrawi/swift,amraboelela/swift,mightydeveloper/swift,mightydeveloper/swift,JGiola/swift,apple/swift,Jnosh/swift,apple/swift,jmgc/swift,karwa/swift,LeoShimonaka/swift,jckarter/swift,therealbnut/swift,adrfer/swift,zisko/swift,stephentyrone/swift,slavapestov/swift,Ivacker/swift,tinysun212/swift-windows,tjw/swift