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/phase_one/p20.toml

@@ -0,0 +1,13 @@
+make = "Phase One A/S"
+model = "P20+"
+clean_make = "Phase One"
+clean_model = "P20+"
+#blackpoint = 0
+whitepoint = 65535
+color_pattern = "GRBG"
+
+active_area = [26, 20, 10, 10]
+
+[cameras.color_matrix]
+A = [0.3311, 0.0333, 0.0008, -0.7783, 1.6217, 0.1561, -0.1919, 0.3244, 0.8188]
+D65 = [0.2905, 0.0732, -0.0237, -0.8135, 1.6626, 0.1476, -0.3038, 0.4253, 0.7517]