buildbot: Set SWIFT_MODULE_CACHE_PATH.
buildbot: Set SWIFT_MODULE_CACHE_PATH.

Point SWIFT_MODULE_CACHE_PATH into the Jenkins workspace so it gets scrubbed automatically with each build.

Swift SVN r4115

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