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/d2h.toml

@@ -0,0 +1,16 @@
+make = "NIKON CORPORATION"
+model = "NIKON D2H"
+clean_make = "Nikon"
+clean_model = "D2H"
+color_pattern = "GBRG"
+active_area = [6, 0, 8, 0]
+crop_area = [15, 8, 17, 8]
+
+[cameras.color_matrix]
+A = [0.6562, -0.1792, -0.0314, -0.6967, 1.4736, 0.2402, -0.1709, 0.2719, 0.7642]
+D65 = [0.5733, -0.0911, -0.0629, -0.7967, 1.5987, 0.2055, -0.305, 0.4013, 0.7048]
+
+[[cameras.modes]]
+mode = "12bit"
+blackpoint = 0
+whitepoint = 3880