Bump `tokio` to 0.1.19. (#1053)

This also bumps:

- tokio-async-await (0.1.7)
- tokio-buf (0.1.1)
- tokio-sync (0.1.5)
- tokio-threadpool (0.1.14)

1 files changed, 4 insertions, 4 deletions

diff --git a/README.md b/README.md
index 0d71bb6a..c6dbdbf8 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ the Rust programming language. It is:
 
 [Website](https://tokio.rs) |
 [Guides](https://tokio.rs/docs/getting-started/hello-world/) |
-[API Docs](https://docs.rs/tokio/0.1.18/tokio) |
+[API Docs](https://docs.rs/tokio/0.1.19/tokio) |
 [Chat](https://gitter.im/tokio-rs/tokio)
 
 The API docs for the master branch are published [here][master-dox].
@@ -49,9 +49,9 @@ level, it provides a few major components:
 These components provide the runtime components necessary for building
 an asynchronous application.
 
-[net]: https://docs.rs/tokio/0.1.18/tokio/net/index.html
-[reactor]: https://docs.rs/tokio/0.1.18/tokio/reactor/index.html
-[scheduler]: https://docs.rs/tokio/0.1.18/tokio/runtime/index.html
+[net]: https://docs.rs/tokio/0.1.19/tokio/net/index.html
+[reactor]: https://docs.rs/tokio/0.1.19/tokio/reactor/index.html
+[scheduler]: https://docs.rs/tokio/0.1.19/tokio/runtime/index.html
 
 ## Example