Bump version to v0.1.5 (#271)

This also bumps:

* tokio-executor to v0.1.2
* tokio-threadpool to v0.1.2
* tokio-timer to v0.2.0

tokio-executor/CHANGELOG.md

@@ -1,4 +1,4 @@
-# 0.1.2 (unreleased)
+# 0.1.2 (March 30, 2018)
 
 * Implement `Unpark` for `Box<Unpark>`.
 

tokio-executor/Cargo.toml

@@ -5,7 +5,7 @@ name = "tokio-executor"
 # - Update html_root_url.
 # - Update CHANGELOG.md.
 # - Create "v0.1.x" git tag.
-version = "0.1.1"
+version = "0.1.2"
 documentation = "https://docs.rs/tokio-executor"
 repository = "https://github.com/tokio-rs/tokio"
 homepage = "https://github.com/tokio-rs/tokio"

tokio-executor/src/lib.rs

@@ -31,7 +31,7 @@
 //! [`Park`]: park/index.html
 
 #![deny(missing_docs, missing_debug_implementations, warnings)]
-#![doc(html_root_url = "https://docs.rs/tokio-executor/0.1.1")]
+#![doc(html_root_url = "https://docs.rs/tokio-executor/0.1.2")]
 
 extern crate futures;