[enum-simplification] Fix up some comments.
[enum-simplification] Fix up some comments.

Swift SVN r19892

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