Update our copy of amaze

This version has SSE2 code and should be significant faster. Still slow,
but less so.
(cherry picked from commit 3441e0b48a6848e41bef6656e5c9de3ba03255f4)
Fix clang build, caused by amaze_demosaic_RT.cc update
(cherry picked from commit 156f509c53604db1b400924baf8307f427b4e6ab)

Conflicts:
	src/CMakeLists.txt