Half-Life 1 and Counter-Strike 1.6 updated

We have released an update for both games, fixes include:

• Made save games cross platform
• Fixed crash when changing video modes under windows
• Removed support for A3D sounds from the engine, this API is not functional on current Windows OS releases
• Removed legacy D3D renderer, assorted OpenGL improvements in the beta make this older API not supportable
• Enabled hud_fastswitch on mouse wheel movement for Counter-Strike