[styleguide] Add "work in progress" warning
[styleguide] Add "work in progress" warning

We know that further edits are forthcoming from DevPubs; we just don't
know when.  Make sure nobody mistakes this for a DevPubs-approved draft.

Swift SVN r14102

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