Switch to libjpeg-turbo
Imported from http://bugzilla.roxen.com/bugzilla/show_bug.cgi?id=5920
Reported by Jonas Wallden jonasw@roxen.com
SIMD-optimized version of libjpeg already integrated in Chromium and Firefox. Promises 2-4x performance of old library.
http://libjpeg-turbo.virtualgl.org/
Discussion on specific assembler tools required to build the library can be found in this ticket: