fix iPhone torch     - default to Auto     - support for dynamic updates (while running)
fix iPhone torch
    - default to Auto
    - support for dynamic updates (while running)

AquaGeek/zbar,crystax/cosp-android-zbar,bobftw/zbarSDK,robertwalker/zbar,robertwalker/zbar,AquaGeek/zbar,robertwalker/zbar,dmcrystax/cosp-android-zbar,bobftw/zbarSDK,dmcrystax/cosp-android-zbar,dmcrystax/cosp-android-zbar,crystax/cosp-android-zbar,dmcrystax/cosp-android-zbar,bobftw/zbarSDK,dmcrystax/cosp-android-zbar,robertwalker/zbar,dmcrystax/cosp-android-zbar,bobftw/zbarSDK,bobftw/zbarSDK,robertwalker/zbar,dmcrystax/cosp-android-zbar,AquaGeek/zbar,AquaGeek/zbar,crystax/cosp-android-zbar,AquaGeek/zbar,crystax/cosp-android-zbar,crystax/cosp-android-zbar,crystax/cosp-android-zbar,AquaGeek/zbar,AquaGeek/zbar,bobftw/zbarSDK,robertwalker/zbar,crystax/cosp-android-zbar