- Made the plugin handling internally way simpler (no tons of duplicated code anymore)
- Added empty MediaSystem to have a default for now (Windows.OpenAL)
- Added a PercentageCompleteAttribute which will be used to mark the current state of a class (0-100%)
added information about OperatingSystem and Version to AddInSystemFactory
added IsSupported field to AddIn Creators
AddInSystemFactory now only loads supported AddIns
added Metadata resource files to all AddIns containing information about supported platforms.