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/fuji/hs50exr.toml

@@ -0,0 +1,12 @@
+make = "FUJIFILM"
+model = "FinePix HS50EXR"
+clean_make = "Fujifilm"
+clean_model = "FinePix HS50EXR"
+#blackpoint = 256
+whitepoint = 3900
+color_pattern = "BGGR"
+active_area = [0, 0, 64, 0]
+
+[cameras.color_matrix]
+A = [1.4011, -0.711, 0.1221, -0.2726, 1.0617, 0.2439, 0.0329, 0.1008, 0.5535]
+D65 = [1.2085, -0.4727, -0.0953, -0.3257, 1.1489, 0.2002, -0.0511, 0.2046, 0.4592]