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/fz8.toml

@@ -0,0 +1,15 @@
+make = "Panasonic"
+model = "DMC-FZ8"
+clean_make = "Panasonic"
+clean_model = "DMC-FZ8"
+#blackpoint = 0
+whitepoint = 3986
+color_pattern = "RGGB"
+
+[cameras.color_matrix]
+A = [1.0596, -0.4575, 0.0184, -0.4765, 1.1633, 0.359, -0.0495, 0.122, 0.6576]
+D65 = [0.8986, -0.2756, -0.0801, -0.6341, 1.3576, 0.3077, -0.1476, 0.2144, 0.6379]
+
+[[cameras.modes]]
+mode = "4:3"
+active_area = [5, 0, 31, 1]