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/panasonic/gx9.toml

@@ -0,0 +1,15 @@
+make = "Panasonic"
+model = "DC-GX9"
+clean_make = "Panasonic"
+clean_model = "DC-GX9"
+#blackpoint = 143
+whitepoint = 4095
+color_pattern = "BGGR"
+
+[cameras.color_matrix]
+A = [0.7419, -0.2235, -0.0375, -0.3414, 1.17, 0.193, -0.04, 0.1107, 0.5954]
+D65 = [0.7564, -0.2263, -0.0606, -0.3148, 1.1239, 0.2177, -0.054, 0.1435, 0.4853]
+
+[[cameras.modes]]
+mode = "4:3"
+active_area = [0, 0, 64, 0]