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/650d.toml

@@ -0,0 +1,20 @@
+make = "Canon"
+model = "Canon EOS 650D"
+clean_make = "Canon"
+clean_model = "EOS 650D"
+
+model_aliases = [
+  ["Canon EOS DIGITAL REBEL T4i", "EOS Rebel T4i"],
+  ["Canon EOS REBEL T4i", "EOS Rebel T4i"],
+  ["Canon EOS Kiss Digital X6i", "EOS Kiss X6i"],
+  ["Canon EOS Kiss X6i", "EOS Kiss X6i"],
+]
+
+color_pattern = "RGGB"
+blackareav = [0, 70]
+blackareah = [4, 44]
+active_area = [72, 52, 0, 0]
+
+[cameras.color_matrix]
+A = [0.6985, -0.1611, -0.0397, -0.3596, 1.0749, 0.3295, -0.0349, 0.1136, 0.6512]
+D65 = [0.6602, -0.0841, -0.0939, -0.4472, 1.2458, 0.2247, -0.0975, 0.2039, 0.6148]