Remove unused EXI update functions.
Fix OpenGL video backend when using "render to main" on Windows.
Fix the ARM JIT's subfic implementation.
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.
VideoCommon: small cleanups.  No functional change.
Merge pull request #468 from RachelBryk/remove-exi-update

Remove unused EXI update functions.
Merge pull request #502 from magumagu/video-common-small-cleanup

VideoCommon: small cleanups.
Don't create a Panel for a seperate render window.

Instead of setting RenderParent to null and raising complexity RenderFrame can be its own parent.
Remove CPanel.

Let the RenderFrame handle those messages.
Remove wxTAB_TRAVERSAL style from RenderFrame.
Fix RendererHasFocus().
Prevent DXGI from making changes to the window.

Prevents DXGI from responding to Alt+Enter and messing up our fullscreen handling.
D3D: Request desktop resolution before overriding the buffer size.

This fixes issues where the wrong refresh rate is selected for some monitors.
D3D: Add exclusive fullscreen support.
Exit fullscreen when user is prompted to confirm stop.

And fix a small typo while we're are it.