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/1300d.toml

@@ -0,0 +1,20 @@
+make = "Canon"
+model = "Canon EOS 1300D"
+clean_make = "Canon"
+clean_model = "EOS 1300D"
+
+model_aliases = [
+  ["Canon EOS DIGITAL REBEL T6", "EOS Rebel T6"],
+  ["Canon EOS REBEL T6", "EOS Rebel T6"],
+  ["Canon EOS Rebel T6", "EOS Rebel T6"],
+  ["Canon EOS Kiss Digital X80", "EOS Kiss X80"],
+  ["Canon EOS Kiss X80", "EOS Kiss X80"],
+]
+
+color_pattern = "GBRG"
+blackareav = [0,140]
+active_area = [142, 51, 0, 0]
+
+[cameras.color_matrix]
+A = [0.77, -0.2142, -0.0096, -0.3513, 1.1072, 0.2806, -0.044, 0.1286, 0.6707]
+D65 = [0.6939, -0.1016, -0.0866, -0.4428, 1.2473, 0.2177, -0.1175, 0.2178, 0.6162]