Vendor rawler 0.7.2 unmodified

The crate as crates.io publishes it, minus .cargo-ok, its Cargo.lock and
data/testdata (13 MB of sample files only its own tests read). Not yet
routed through [patch.crates-io]; the next commit is the patch.

third_party/rawler-0.7.2/data/cameras/nikon/d40x.toml

@@ -0,0 +1,16 @@
+make = "NIKON CORPORATION"
+model = "NIKON D40X"
+clean_make = "Nikon"
+clean_model = "D40X"
+color_pattern = "GBRG"
+active_area = [0, 0, 4, 0]
+crop_area = [14, 9, 18, 12]
+
+[cameras.color_matrix]
+A = [1.0031, -0.3797, -0.0207, -0.7735, 1.5316, 0.2598, -0.0603, 0.0667, 0.8673]
+D65 = [0.8819, -0.2543, -0.0911, -0.9025, 1.6928, 0.2151, -0.1329, 0.1213, 0.8449]
+
+[[cameras.modes]]
+mode = "12bit"
+blackpoint = 0
+whitepoint = 3880