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/canon/77d.toml

@@ -0,0 +1,17 @@
+make = "Canon"
+model = "Canon EOS 77D"
+clean_make = "Canon"
+clean_model = "EOS 77D"
+
+model_aliases = [
+  ["Canon EOS 9000D", "EOS 9000D"],
+]
+
+color_pattern = "RGGB"
+blackareav = [0,260]
+blackareah = [0,30]
+active_area = [264, 34, 0, 0]
+
+[cameras.color_matrix]
+A = [0.7952, -0.1689, -0.0575, -0.3746, 1.0825, 0.3378, -0.0405, 0.1362, 0.612]
+D65 = [0.7377, -0.0742, -0.0998, -0.4235, 1.1981, 0.2549, -0.0673, 0.1918, 0.5538]