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/d5.toml

@@ -0,0 +1,16 @@
+make = "NIKON CORPORATION"
+model = "NIKON D5"
+clean_make = "Nikon"
+clean_model = "D5"
+color_pattern = "RGGB"
+active_area = [0, 0, 0, 0]
+crop_area = [8, 8, 8, 8]
+
+[cameras.color_matrix]
+A = [0.9792, -0.4494, -0.0473, -0.561, 1.3249, 0.2619, -0.0441, 0.1014, 0.729]
+D65 = [0.92, -0.3522, -0.0992, -0.5755, 1.3803, 0.2117, -0.0753, 0.1486, 0.6338]
+
+[[cameras.modes]]
+mode = "14bit"
+#blackpoint = 400
+whitepoint = 15520