Merge pull request #12 from libretro/master

(Libretro) Maintenance
[Genesis/VDP] Fixed FIFO access timings when using invalid write code value (fixes Clue menu)
updated modified files header for current year
[Core/MD] added support for earlier revision of SF-001 mapper
Merge pull request #13 from libretro/master

(Libretro) Adds Blackberry Playbook support
Merge pull request #14 from libretro/master

(Libretro) Adds iOS support
[libretro] fixed retro_reset function: using soft-reset is not safe as it doesn't reset the whole system (RAM, VDP, etc)