Update release notes for -sdk changes.
Update release notes for -sdk changes.

Swift SVN r12423

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