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/olympus/tg-4.toml

@@ -0,0 +1,13 @@
+make = "OLYMPUS CORPORATION"
+model = "TG-4"
+clean_make = "Olympus"
+clean_model = "TG-4"
+#blackpoint = 255
+whitepoint = 4000
+color_pattern = "GRBG"
+active_area = [0, 0, 0, 0]
+crop_area = [8, 8, 24, 8]
+
+[cameras.color_matrix]
+A = [1.2823, -0.6212, 0.0038, -0.179, 0.9648, 0.2519, 0.0129, 0.0749, 0.6077]
+D65 = [1.1426, -0.4159, -0.1126, -0.2066, 1.0678, 0.1593, -0.012, 0.1327, 0.4998]