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/sony/a77m2.toml

@@ -0,0 +1,14 @@
+make = "SONY"
+model = "ILCA-77M2"
+clean_make = "Sony"
+clean_model = "ILCA-77M2"
+##blackpoint = 512
+#whitepoint = 16300
+color_pattern = "RGGB"
+active_area = [0, 0, 26, 0]
+crop_area = [12, 12, 36, 12]
+bps = 8
+
+[cameras.color_matrix]
+A = [0.6425, -0.2411, 0.0035, -0.3975, 1.1576, 0.2736, -0.0454, 0.1038, 0.6909]
+D65 = [0.5991, -0.1732, -0.0443, -0.41, 1.1989, 0.2381, -0.0704, 0.1467, 0.5992]