Log Message:
lightspark: Update to 0.8.4.1

Version 0.8.4.1:

	* Hotfix for crash on Windows, no changes for Linux

Version 0.8.4:

	* improved handling of mixed AVM1/AVM2 files
	* implement streaming of videos embedded in the swf file
	* implement class inheritance for AVM1
	* added settings dialog, currently only used to enable/disable local storage
	* support for local storage added
	* use SDL threading methods, remove glibmm dependency