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/1000d.toml

@@ -0,0 +1,20 @@
+make = "Canon"
+model = "Canon EOS 1000D"
+clean_make = "Canon"
+clean_model = "EOS 1000D"
+
+model_aliases = [
+  ["Canon EOS DIGITAL REBEL XS", "EOS Digital Rebel XS"],
+  ["Canon EOS REBEL XS", "EOS Rebel XS"],
+  ["Canon EOS Kiss Digital F", "EOS Kiss F"],
+  ["Canon EOS Kiss F", "EOS Kiss F"],
+]
+
+hints = ["invalid_blacklevel"]
+color_pattern = "RGGB"
+blackareav = [0, 41]
+active_area = [42, 18, 0, 2]
+
+[cameras.color_matrix]
+A = [0.7599, -0.2192, -0.0386, -0.6082, 1.2908, 0.3584, -0.0068, 0.0963, 0.7356] # TODO check both
+D65 = [0.6772, -0.0114, -0.0977, -0.7818, 1.5123, 0.2927, -0.1244, 0.1437, 0.7533]