Add SSSE3 detection as well.
Fix search bug.

If mid-string match was found, the last match would be returned.
(Apple) Replace obj-c’s built in boxing with macros that can be used with older versions of the os x build tools.
(Wii) Menu now takes input again from Gamecube pad, Wiimote, Wiimote + Classic
and Nunchuk
compat.c - need to include <ctype.h> to get rid of implicit declaration of
tolower (confirmed on both Wii and OSX)
(GX) Rewrite audio interleaving
(GX) Make menu_binds variable Wii-only for now
(Menu) Add toggleable autodetect_enable for input
Save autodetect_enable
(Wii) Add pad autodetection if g_settings.input.autodetect_enable is
set to true - Wiimote + attachment is leading in case both a GC pad
and a Wiimote are on the same port
Bump up version to 0.9.9.7
(OSX) First pass at settings menu compatible with OS X < 10.7; set Xcode deployment target to 10.6.
performance.c - include Windows.h
performance.c - avoid potential implicit declarations for memset and
memcpy
Add OPENGLES3 context support in libretro GL.
Allow custom cflags/libs for GLES.

Useful for some embedded platforms.
Merge remote-tracking branch 'upstream/master'