Bump version to v0.1.8 (#566)

This also bumps a number of sub crates:

* tokio-executor (0.1.3)
* tokio-io (0.1.8)
* tokio-reactor (0.1.4)
* tokio-threadpool (0.1.6)
* tokio-timer (0.2.6)
* tokio-udp (0.1.2)

tokio-threadpool/CHANGELOG.md

@@ -1,3 +1,11 @@
+# 0.1.6 (August 23, 2018)
+
+* Misc performance improvements (#466, #468, #470, #475, #534)
+* Documentation improvements (#450)
+* Shutdown backup threads when idle (#489)
+* Implement std::error::Error for error types (#511)
+* Bugfix: handle num_cpus returning zero (#530).
+
 # 0.1.5 (July 3, 2018)
 
 * Fix race condition bug when threads are woken up (#459).

tokio-threadpool/Cargo.toml

@@ -3,9 +3,10 @@ name = "tokio-threadpool"
 # When releasing to crates.io:
 # - Update html_root_url.
 # - Update CHANGELOG.md.
+# - Update doc URL.
 # - Create "v0.1.x" git tag.
-version = "0.1.5"
-documentation = "https://docs.rs/tokio-threadpool"
+version = "0.1.6"
+documentation = "https://docs.rs/tokio-threadpool/0.1.6/tokio_threadpool"
 repository = "https://github.com/tokio-rs/tokio"
 homepage = "https://github.com/tokio-rs/tokio"
 license = "MIT"

tokio-threadpool/src/lib.rs

@@ -1,4 +1,4 @@
-#![doc(html_root_url = "https://docs.rs/tokio-threadpool/0.1.5")]
+#![doc(html_root_url = "https://docs.rs/tokio-threadpool/0.1.6")]
 #![deny(warnings, missing_docs, missing_debug_implementations)]
 
 //! A work-stealing based thread pool for executing futures.