Log Message:
lightspark: Update to 0.8.3

Changes:

    fix support for sound in PPAPI plugin
    better handling of obfuscated code
    new command line argument to ignore unhandled exceptions
    support for context menus added
    partial support for CubeTextures and compressed Textures in Stage3d
    ability to create screenshot added
    boost dependency removed
    fullscreen mode implemented
    better sound handling, especially for AVM1
    better support of older (AVM1) swf files
    support for xml in AVM1
    support for video streaming in AVM1