(MSVC 2003 Xbox1) Fix build
(360) Fix build
Update libretro.cpp

added "nospritelimit" core option; refactored the "check_variables" function a bit
Update libretro.cpp

commented blargg_ntsc_filter parsing as it is non-working by now
Merge pull request #3 from eadmaster/patch-1

Patch 1
(QNX) Update target output filename
(QNX) Build fix
Update extensions
Merge remote-tracking branch 'libretro/master'
L/R now insert coins on Vs. System games (libretro)