Begin big rewrite of GL/raster font rendering path.
Blit fonts to full viewport.
Drop useless win_width/height arguments to font init.
Rewrite bitmapfont to new interface.
Make font rendering more robust.

Dynamically sized buffers, etc.
Parametrize drop shadows.
Fixup font rendering in SDL-SW.
Fix Xvideo build.
Disable font rendering in VG for now.

Needs to be rewritten.
Untested update of Lima font renderer.
Small CXX_BUILD fix.
Lakka builds again.
Fixups to Lakka fonts.
Untested: Rewrite omap_gfx font rendering.
Remove some commented out code in lakka.
Fixup Win32/Xbox font_params_t.
Merge pull request #745 from libretro/font-rewrite

Font rendering rewrite