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/1v3.toml

@@ -0,0 +1,16 @@
+make = "NIKON CORPORATION"
+model = "NIKON 1 V3"
+clean_make = "Nikon"
+clean_model = "1 V3"
+color_pattern = "RGGB"
+active_area = [0, 0, 0, 0]
+crop_area = [8, 8, 8, 8]
+
+[cameras.color_matrix]
+A = [0.6514, -0.235, -0.0042, -0.3026, 0.998, 0.3561, -0.0052, 0.0882, 0.5473]
+D65 = [0.5958, -0.1559, -0.0571, -0.4021, 1.1453, 0.2939, -0.0634, 0.1548, 0.5087]
+
+[[cameras.modes]]
+mode = "12bit"
+blackpoint = 200
+whitepoint = 4000