Rework new_dynarec by copying what was done by pcsx-rearmed; it will run games on iOS but crashes frequently
(iOS dynarec) Save extra registers needed for abi compat
(iOS dynarec) Put .bss data in the actual bss sectiom, shaves 36MB off the library file size.
(iOS Dynarec) Fix crash when closing game
Merge branch 'iosdynarec2' of https://github.com/libretro/mupen64plus-libretro
Merge branch 'master' of https://github.com/libretro/mupen64plus-libretro
Compile Rice plugin for Android

Because of a bug being fixed in RetroArch, the emulator now runs at full speed with glide64(on my nVidia Shield)! There are still awful lighting/color glitches with Glide, but things are coming together now