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/olympus/e-5.toml

@@ -0,0 +1,13 @@
+make = "OLYMPUS IMAGING CORP."
+model = "E-5"
+clean_make = "Olympus"
+clean_model = "E-5"
+#blackpoint = 64
+whitepoint = 3604
+color_pattern = "BGGR"
+active_area = [0, 0, 4, 0]
+crop_area = [42, 24, 26, 36]
+
+[cameras.color_matrix]
+A = [1.1449, -0.473, -0.0612, -0.3883, 1.1437, 0.2796, -0.0342, 0.1156, 0.805]
+D65 = [1.12, -0.3783, -0.1325, -0.4576, 1.2593, 0.2206, -0.0695, 0.1742, 0.7504]