Add a clear() method to delete all links.
Add a clear() method to delete all links.

Swift SVN r24864

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