swift-demangle: Also accept symbol names without the $ prefix.
swift-demangle: Also accept symbol names without the $ prefix.

This makes it easier to copy-paste $S symbol names with a double-click.

rdar://problem/38546308

shajrawi/swift,atrick/swift,harlanhaskins/swift,austinzheng/swift,brentdax/swift,amraboelela/swift,jopamer/swift,alblue/swift,sschiau/swift,amraboelela/swift,alblue/swift,stephentyrone/swift,lorentey/swift,glessard/swift,austinzheng/swift,airspeedswift/swift,danielmartin/swift,huonw/swift,tjw/swift,tjw/swift,alblue/swift,allevato/swift,amraboelela/swift,karwa/swift,gregomni/swift,gribozavr/swift,roambotics/swift,xedin/swift,stephentyrone/swift,harlanhaskins/swift,tkremenek/swift,practicalswift/swift,danielmartin/swift,jckarter/swift,glessard/swift,natecook1000/swift,gribozavr/swift,roambotics/swift,shajrawi/swift,xedin/swift,harlanhaskins/swift,allevato/swift,huonw/swift,CodaFi/swift,benlangmuir/swift,jckarter/swift,huonw/swift,rudkx/swift,jckarter/swift,shajrawi/swift,alblue/swift,amraboelela/swift,tkremenek/swift,alblue/swift,lorentey/swift,stephentyrone/swift,practicalswift/swift,CodaFi/swift,sschiau/swift,aschwaighofer/swift,lorentey/swift,xedin/swift,stephentyrone/swift,karwa/swift,shahmishal/swift,glessard/swift,jmgc/swift,allevato/swift,jmgc/swift,allevato/swift,karwa/swift,jopamer/swift,xwu/swift,danielmartin/swift,brentdax/swift,karwa/swift,hooman/swift,lorentey/swift,aschwaighofer/swift,tjw/swift,roambotics/swift,nathawes/swift,natecook1000/swift,JGiola/swift,austinzheng/swift,sschiau/swift,shahmishal/swift,apple/swift,parkera/swift,atrick/swift,alblue/swift,practicalswift/swift,shajrawi/swift,practicalswift/swift,gregomni/swift,amraboelela/swift,gribozavr/swift,hooman/swift,brentdax/swift,lorentey/swift,atrick/swift,jckarter/swift,shajrawi/swift,atrick/swift,roambotics/swift,sschiau/swift,danielmartin/swift,shajrawi/swift,gregomni/swift,lorentey/swift,apple/swift,glessard/swift,devincoughlin/swift,aschwaighofer/swift,brentdax/swift,jckarter/swift,parkera/swift,parkera/swift,xedin/swift,devincoughlin/swift,natecook1000/swift,shahmishal/swift,airspeedswift/swift,sschiau/swift,tkremenek/swift,gribozavr/swift,xedin/swift,devincoughlin/swift,xedin/swift,JGiola/swift,apple/swift,rudkx/swift,CodaFi/swift,jopamer/swift,brentdax/swift,aschwaighofer/swift,benlangmuir/swift,airspeedswift/swift,aschwaighofer/swift,danielmartin/swift,austinzheng/swift,tkremenek/swift,rudkx/swift,karwa/swift,parkera/swift,lorentey/swift,natecook1000/swift,apple/swift,huonw/swift,nathawes/swift,jmgc/swift,jmgc/swift,benlangmuir/swift,tkremenek/swift,devincoughlin/swift,atrick/swift,rudkx/swift,sschiau/swift,xedin/swift,CodaFi/swift,practicalswift/swift,hooman/swift,xwu/swift,gregomni/swift,austinzheng/swift,danielmartin/swift,stephentyrone/swift,ahoppen/swift,natecook1000/swift,JGiola/swift,tjw/swift,ahoppen/swift,gregomni/swift,jopamer/swift,gribozavr/swift,gribozavr/swift,glessard/swift,brentdax/swift,gribozavr/swift,austinzheng/swift,airspeedswift/swift,jmgc/swift,shahmishal/swift,danielmartin/swift,harlanhaskins/swift,roambotics/swift,sschiau/swift,harlanhaskins/swift,nathawes/swift,parkera/swift,shahmishal/swift,allevato/swift,shahmishal/swift,gregomni/swift,devincoughlin/swift,shajrawi/swift,sschiau/swift,parkera/swift,jmgc/swift,harlanhaskins/swift,atrick/swift,hooman/swift,CodaFi/swift,austinzheng/swift,practicalswift/swift,alblue/swift,JGiola/swift,jopamer/swift,ahoppen/swift,ahoppen/swift,xwu/swift,xwu/swift,JGiola/swift,huonw/swift,shahmishal/swift,lorentey/swift,practicalswift/swift,brentdax/swift,hooman/swift,amraboelela/swift,airspeedswift/swift,stephentyrone/swift,airspeedswift/swift,karwa/swift,shajrawi/swift,nathawes/swift,devincoughlin/swift,devincoughlin/swift,devincoughlin/swift,jckarter/swift,benlangmuir/swift,parkera/swift,gribozavr/swift,apple/swift,xedin/swift,shahmishal/swift,jckarter/swift,glessard/swift,tjw/swift,xwu/swift,roambotics/swift,nathawes/swift,amraboelela/swift,huonw/swift,airspeedswift/swift,karwa/swift,tjw/swift,tkremenek/swift,ahoppen/swift,jmgc/swift,CodaFi/swift,parkera/swift,huonw/swift,allevato/swift,stephentyrone/swift,nathawes/swift,allevato/swift,benlangmuir/swift,xwu/swift,tkremenek/swift,natecook1000/swift,natecook1000/swift,nathawes/swift,apple/swift,harlanhaskins/swift,hooman/swift,rudkx/swift,aschwaighofer/swift,rudkx/swift,CodaFi/swift,ahoppen/swift,tjw/swift,aschwaighofer/swift,benlangmuir/swift,jopamer/swift,JGiola/swift,hooman/swift,xwu/swift,jopamer/swift,practicalswift/swift,karwa/swift