log: prepare to release v0.1.2

Added

- Re-export the `log` crate so that users can ensure consistent versions
  ([tokio-rs#602])
- `AsLog` implementation for `tracing::LevelFilter` ([tokio-rs#1248])
- `AsTrace` implementation for `log::LevelFilter` ([tokio-rs#1248])

Fixed

- **log-tracer**: Fixed `Log::enabled` implementation for `LogTracer`
  not calling `Subscriber::enabled` ([tokio-rs#1254])
- **log-tracer**: Fixed `Log::enabled` implementation for `LogTracer`
  not checking the max level hint ([tokio-rs#1247])
- Several documentation fixes ([tokio-rs#483], [tokio-rs#485], [tokio-rs#537], [tokio-rs#595], [tokio-rs#941],
  [tokio-rs#981])

[tokio-rs#483]: https://github.com/tokio-rs/tracing/pulls/483
[tokio-rs#485]: https://github.com/tokio-rs/tracing/pulls/485
[tokio-rs#537]: https://github.com/tokio-rs/tracing/pulls/537
[tokio-rs#595]: https://github.com/tokio-rs/tracing/pulls/595
[tokio-rs#605]: https://github.com/tokio-rs/tracing/pulls/604
[tokio-rs#941]: https://github.com/tokio-rs/tracing/pulls/941
[tokio-rs#1247]: https://github.com/tokio-rs/tracing/pulls/1247
[tokio-rs#1248]: https://github.com/tokio-rs/tracing/pulls/1248
[tokio-rs#1254]: https://github.com/tokio-rs/tracing/pulls/1254

Signed-off-by: Eliza Weisman <eliza@buoyant.io>

tracing-log/CHANGELOG.md

@@ -1,3 +1,29 @@
+# 0.1.2 (February 19th, 2020)
+
+### Added
+
+- Re-export the `log` crate so that users can ensure consistent versions ([#602])
+- `AsLog` implementation for `tracing::LevelFilter` ([#1248])
+- `AsTrace` implementation for `log::LevelFilter` ([#1248])
+
+### Fixed
+
+- **log-tracer**: Fixed `Log::enabled` implementation for `LogTracer` not
+  calling `Subscriber::enabled` ([#1254])
+- **log-tracer**: Fixed `Log::enabled` implementation for `LogTracer` not
+  checking the max level hint ([#1247])
+- Several documentation fixes ([#483], [#485], [#537], [#595], [#941], [#981])
+
+[#483]: https://github.com/tokio-rs/tracing/pulls/483
+[#485]: https://github.com/tokio-rs/tracing/pulls/485
+[#537]: https://github.com/tokio-rs/tracing/pulls/537
+[#595]: https://github.com/tokio-rs/tracing/pulls/595
+[#605]: https://github.com/tokio-rs/tracing/pulls/604
+[#941]: https://github.com/tokio-rs/tracing/pulls/941
+[#1247]: https://github.com/tokio-rs/tracing/pulls/1247
+[#1248]: https://github.com/tokio-rs/tracing/pulls/1248
+[#1254]: https://github.com/tokio-rs/tracing/pulls/1254
+
 # 0.1.1 (October 29, 2019)
 
 ### Deprecated