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/canon/s100v.toml

@@ -0,0 +1,13 @@
+make = "Canon"
+model = "Canon PowerShot S100V"
+clean_make = "Canon"
+clean_model = "PowerShot S100V"
+whitepoint = 4000
+color_pattern = "GBRG"
+blackareav = [0, 100]
+blackareah = [3062, 60]
+active_area = [104, 11, 8, 65]
+
+[cameras.color_matrix]
+A = [0.9118, -0.3882, -0.0248, -0.2564, 0.9818, 0.3218, 0.0349, 0.0317, 0.4547]
+D65 = [0.7968, -0.2565, -0.0636, -0.2873, 1.0697, 0.2513, 0.018, 0.0667, 0.4211]