Vendor dependencies

Let's see how I like this workflow.

vendor/byteorder/Cargo.toml

@@ -0,0 +1,43 @@
+# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
+#
+# When uploading crates to the registry Cargo will automatically
+# "normalize" Cargo.toml files for maximal compatibility
+# with all versions of Cargo and also rewrite `path` dependencies
+# to registry (e.g., crates.io) dependencies
+#
+# If you believe there's an error in this file please file an
+# issue against the rust-lang/cargo repository. If you're
+# editing this file be aware that the upstream Cargo.toml
+# will likely look very different (and much more reasonable)
+
+[package]
+edition = "2018"
+name = "byteorder"
+version = "1.4.3"
+authors = ["Andrew Gallant <jamslam@gmail.com>"]
+exclude = ["/ci/*"]
+description = "Library for reading/writing numbers in big-endian and little-endian."
+homepage = "https://github.com/BurntSushi/byteorder"
+documentation = "https://docs.rs/byteorder"
+readme = "README.md"
+keywords = ["byte", "endian", "big-endian", "little-endian", "binary"]
+categories = ["encoding", "parsing", "no-std"]
+license = "Unlicense OR MIT"
+repository = "https://github.com/BurntSushi/byteorder"
+[profile.bench]
+opt-level = 3
+
+[lib]
+name = "byteorder"
+bench = false
+[dev-dependencies.quickcheck]
+version = "0.9.2"
+default-features = false
+
+[dev-dependencies.rand]
+version = "0.7"
+
+[features]
+default = ["std"]
+i128 = []
+std = []