Add missing required initializers to _NSContiguousString and _NSOpaqueString.
Add missing required initializers to _NSContiguousString and _NSOpaqueString.

Swift SVN r20449

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