Bump Tokio to v0.1.15. (#869)

Also bumps:

- tokio-sync (0.1.0)
- tokio-threadpool (0.1.11)
- tokio-timer (0.2.9)

tokio-timer/CHANGELOG.md

@@ -1,3 +1,9 @@
+# 0.2.9 (January 24, 2019)
+
+### Fixed
+- `DelayQueue` timing logic when inserting / resetting a delay (#851, #863).
+- Documentation links (#842, #844, #845)
+
 # 0.2.8 (November 21, 2018)
 
 * Implement throttle combinator (#736).

tokio-timer/Cargo.toml

@@ -2,14 +2,16 @@
 name = "tokio-timer"
 # When releasing to crates.io:
 # - Update html_root_url.
+# - Update doc url
+#   - Cargo.toml
+#   - README.md
 # - Update CHANGELOG.md.
-# - Update doc URL.
 # - Create "v0.2.x" git tag.
-version = "0.2.8"
+version = "0.2.9"
 authors = ["Carl Lerche <[email protected]>"]
 license = "MIT"
 readme = "README.md"
-documentation = "https://docs.rs/tokio-timer/0.2.8/tokio_timer"
+documentation = "https://docs.rs/tokio-timer/0.2.9/tokio_timer"
 repository = "https://github.com/tokio-rs/tokio"
 homepage = "https://github.com/tokio-rs/tokio"
 description = """

tokio-timer/README.md

@@ -2,7 +2,7 @@
 
 Timer facilities for Tokio
 
-[Documentation](https://tokio-rs.github.io/tokio/tokio_timer/)
+[Documentation](https://docs.rs/tokio-timer/0.2.9/tokio_timer/)
 
 ## Overview
 

tokio-timer/src/lib.rs

@@ -1,4 +1,4 @@
-#![doc(html_root_url = "https://docs.rs/tokio-timer/0.2.8")]
+#![doc(html_root_url = "https://docs.rs/tokio-timer/0.2.9")]
 #![deny(missing_docs, warnings, missing_debug_implementations)]
 
 //! Utilities for tracking time.