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/d1.toml

@@ -0,0 +1,17 @@
+make = "NIKON CORPORATION"
+model = "NIKON D1"
+clean_make = "Nikon"
+clean_model = "D1"
+color_pattern = "BGGR"
+active_area = [0, 0, 0, 0]
+crop_area = [6, 6, 6, 6]
+
+[cameras.color_matrix]
+A = [0.8452, -0.3021, -0.0439, -0.8003, 1.5752, 0.2382, -0.1568, 0.215, 0.8985]
+D65 = [0.7637, -0.2199, -0.0974, -0.9109, 1.7099, 0.2043, -0.2822, 0.3306, 0.8372]
+
+[[cameras.modes]]
+mode = "12bit"
+blackpoint = 0
+whitepoint = 4095
+