Vendor things

third-party/vendor/jobserver/README.md

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+# jobserver-rs
+
+An implementation of the GNU make jobserver for Rust
+
+[![Crates.io](https://img.shields.io/crates/v/jobserver.svg?maxAge=2592000)](https://crates.io/crates/jobserver)
+
+[Documentation](https://docs.rs/jobserver)
+
+## Usage
+
+First, add this to your `Cargo.toml`:
+
+```toml
+[dependencies]
+jobserver = "0.1"
+```
+
+Next, add this to your crate:
+
+```rust
+extern crate jobserver;
+```
+
+# License
+
+This project is licensed under either of
+
+ * Apache License, Version 2.0, ([LICENSE-APACHE](LICENSE-APACHE) or
+   http://www.apache.org/licenses/LICENSE-2.0)
+ * MIT license ([LICENSE-MIT](LICENSE-MIT) or
+   http://opensource.org/licenses/MIT)
+
+at your option.
+
+### Contribution
+
+Unless you explicitly state otherwise, any contribution intentionally submitted
+for inclusion in jobserver-rs by you, as defined in the Apache-2.0 license, shall be
+dual licensed as above, without any additional terms or conditions.