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/panasonic/gm1s.toml

@@ -0,0 +1,15 @@
+make = "Panasonic"
+model = "DMC-GM1S"
+clean_make = "Panasonic"
+clean_model = "DMC-GM1S"
+#blackpoint = 143
+whitepoint = 4095
+color_pattern = "BGGR"
+
+[cameras.color_matrix]
+A = [0.9784, -0.4995, 0.003, -0.3625, 1.1454, 0.2475, -0.0961, 0.2097, 0.6377]
+D65 = [0.677, -0.1895, -0.0744, -0.5232, 1.3145, 0.2303, -0.1664, 0.2691, 0.5703]
+
+[[cameras.modes]]
+mode = "4:3"
+active_area = [0, 0, 208, 0]