NSBundle: Use _expensivePropertyListConversion
NSBundle: Use _expensivePropertyListConversion

… to work around current limitations in bridging (the old approach didn’t work correctly on Linux).

I’m also marking some APIs as experimental because they currently return Any instead of AnyObject — this is likely to change as the Foundation—Swift bridging story improves.
NaughtyOttsel/swift-corelibs-foundation,maxadamski/swift-corelibs-foundation,johnno1962b/swift-corelibs-foundation,johnno1962c/swift-corelibs-foundation,johnno1962c/swift-corelibs-foundation,bolshedvorsky/swift-corelibs-foundation,nRewik/swift-corelibs-foundation,klundberg/swift-corelibs-foundation,e78l/swift-corelibs-foundation,michael-lehew/swift-corelibs-foundation,johnno1962e/swift-corelibs-foundation,karwa/swift-corelibs-foundation,johnno1962b/swift-corelibs-foundation,mohitathwani/swift-corelibs-foundation,mattrajca/swift-corelibs-foundation,ikesyo/swift-corelibs-foundation,karwa/swift-corelibs-foundation,klundberg/swift-corelibs-foundation,bolshedvorsky/swift-corelibs-foundation,mohitathwani/swift-corelibs-foundation,mohitathwani/swift-corelibs-foundation,michael-lehew/swift-corelibs-foundation,johnno1962e/swift-corelibs-foundation,nRewik/swift-corelibs-foundation,ikesyo/swift-corelibs-foundation,bolshedvorsky/swift-corelibs-foundation,karwa/swift-corelibs-foundation,apple/swift-corelibs-foundation,rsmoz/swift-corelibs-foundation,e78l/swift-corelibs-foundation,KaiCode2/swift-corelibs-foundation,michael-lehew/swift-corelibs-foundation,mohitathwani/swift-corelibs-foundation,ikesyo/swift-corelibs-foundation,JGiola/swift-corelibs-foundation,alblue/swift-corelibs-foundation,parkera/swift-corelibs-foundation,nRewik/swift-corelibs-foundation,mattrajca/swift-corelibs-foundation,parkera/swift-corelibs-foundation,JGiola/swift-corelibs-foundation,KaiCode2/swift-corelibs-foundation,alblue/swift-corelibs-foundation,johnno1962e/swift-corelibs-foundation,NaughtyOttsel/swift-corelibs-foundation,amraboelela/swift-corelibs-foundation,amosavian/swift-corelibs-foundation,NaughtyOttsel/swift-corelibs-foundation,rsmoz/swift-corelibs-foundation,apple/swift-corelibs-foundation,klundberg/swift-corelibs-foundation,ikesyo/swift-corelibs-foundation,e78l/swift-corelibs-foundation,apple/swift-corelibs-foundation,e78l/swift-corelibs-foundation,amraboelela/swift-corelibs-foundation,rsmoz/swift-corelibs-foundation,amraboelela/swift-corelibs-foundation,johnno1962e/swift-corelibs-foundation,e78l/swift-corelibs-foundation,maxadamski/swift-corelibs-foundation,JGiola/swift-corelibs-foundation,mattrajca/swift-corelibs-foundation,parkera/swift-corelibs-foundation,mattrajca/swift-corelibs-foundation,NaughtyOttsel/swift-corelibs-foundation,johnno1962c/swift-corelibs-foundation,ikesyo/swift-corelibs-foundation,parkera/swift-corelibs-foundation,alblue/swift-corelibs-foundation,parkera/swift-corelibs-foundation,alblue/swift-corelibs-foundation,KaiCode2/swift-corelibs-foundation,amosavian/swift-corelibs-foundation,JGiola/swift-corelibs-foundation,JGiola/swift-corelibs-foundation,mohitathwani/swift-corelibs-foundation,maxadamski/swift-corelibs-foundation,johnno1962c/swift-corelibs-foundation,apple/swift-corelibs-foundation,karwa/swift-corelibs-foundation,bolshedvorsky/swift-corelibs-foundation,amraboelela/swift-corelibs-foundation,amraboelela/swift-corelibs-foundation,michael-lehew/swift-corelibs-foundation,maxadamski/swift-corelibs-foundation,klundberg/swift-corelibs-foundation,klundberg/swift-corelibs-foundation,johnno1962b/swift-corelibs-foundation,amosavian/swift-corelibs-foundation,johnno1962b/swift-corelibs-foundation,nRewik/swift-corelibs-foundation,michael-lehew/swift-corelibs-foundation,mattrajca/swift-corelibs-foundation,johnno1962c/swift-corelibs-foundation,alblue/swift-corelibs-foundation,karwa/swift-corelibs-foundation,johnno1962b/swift-corelibs-foundation,bolshedvorsky/swift-corelibs-foundation,rsmoz/swift-corelibs-foundation,amosavian/swift-corelibs-foundation,rsmoz/swift-corelibs-foundation,NaughtyOttsel/swift-corelibs-foundation,KaiCode2/swift-corelibs-foundation,amosavian/swift-corelibs-foundation,apple/swift-corelibs-foundation,johnno1962e/swift-corelibs-foundation