Remove unused EXI update functions.
Fix OpenGL video backend when using "render to main" on Windows.
Fix the ARM JIT's subfic implementation.
Translations: update from Transifex, switch Gamecube->GameCube to match changes in our codebase, fix some format string errors for ES and PL translations
Merge pull request #495 from Sonicadvance1/ARM-fix-subfic

Fix the ARM JIT's subfic implementation.
Fix ARM Jit's subfic when d != a.
Missed this path previously, Crazy Taxi hits it.
Merge pull request #494 from Armada651/master

Fix OpenGL video backend when using "render to main" on Windows.
Merge pull request #496 from Sonicadvance1/fix-subfic-round2

Fix ARM Jit's subfic when d != a.
Merge pull request #468 from RachelBryk/remove-exi-update

Remove unused EXI update functions.