* move one usage of Firwmare method into Firmware config where it is better suited
* PathManager - remove unused code
* move some PathEntry specific logic out of PathManger and into PathEntryCollection extension methods
* PathManager - detangle some exe pathing logic from Global.Config usage, clarify what a completely broken method should actuall do
* move more logic from PathManager to PathEntryCollection extension method
* move absolute path creation to PathEntryCollection, lots of refactoring and simplifying of PathEntries usage
* simplify PathEntryColleciton usage more
* simplify PathEntryCollection more
* break PathEntry classes into separate files, a bit of cleanup
* move Rom path logic out of PathManager into PathEntryCollectionExtensions
* move config UseRecentForRoms and LastRomPath into PathEntries, note that this is a breaking change for previous configs, those values will revert back to default values
* move SaveRamPath logic from PathManager to PathEntryCollections
* move cheats path logic from PathManager to PathEntryCollection
* move another method out of PathManager
* move some Retro hacks to PathEntryCollections, exposes more implicit dependencies
* move savestate logic out of PathManager to PathEntryCollection
* move more logic out of PathManager
* move some savestate logic out of PathManager, move most to MainForm where it is used, detangle some implicit dependencies from SaveSlotManager
* rename method
* move more logic from PathManager to PathCollectionEntry
* movie final Global.Config.PathEntries logic out of PathManager and into PathEnties
* Changed default sound/display methods to OpenAL/OpenGL on Windows to match
non-Windows, and replaced DirectInput with OpenTK input (needs regression
testing on Windows).
* (meta) As a result of the above, DirectX is no longer a prerequisite, leaving
only: .NET Framework 4.6.1 (comes with Win10, as does 4.8), MSVC 14 (also comes
with Win10), MSVC 12 for Mupen, and MSVC 10 for BSNES/Mupen.
* Refactored static Program ctor, using ExceptionBox for missing prereqs, and
removed PrereqsAlert.
* Added OS version check for Windows, with a flag in the config to skip it.
* Updated readme for Win7 EOL (and generally cleanup Windows sections).
adelikat