Update doc urls

Author: alexcrichton

Cargo.toml

@@ -5,7 +5,7 @@ version = "0.3.9"
 authors = ["Alex Crichton <alex@alexcrichton.com>"]
 license = "MIT/Apache-2.0"
 repository = "https://github.com/alexcrichton/pkg-config-rs"
-documentation = "http://alexcrichton.com/pkg-config-rs"
+documentation = "https://docs.rs/pkg-config"
 description = """
 A library to run the pkg-config system tool at build time in order to be used in
 Cargo build scripts.

README.md

@@ -2,7 +2,7 @@
 
 [![Build Status](https://travis-ci.org/alexcrichton/pkg-config-rs.svg?branch=master)](https://travis-ci.org/alexcrichton/pkg-config-rs)
 
-[Documentation](http://alexcrichton.com/pkg-config-rs)
+[Documentation](https://docs.rs/pkg-config)
 
 A simple library meant to be used as a build dependency with Cargo packages in
 order to use the system `pkg-config` tool (if available) to determine where a

src/lib.rs

@@ -61,7 +61,7 @@
 //! }
 //! ```
 
-#![doc(html_root_url = "http://alexcrichton.com/pkg-config-rs")]
+#![doc(html_root_url = "https://docs.rs/pkg-config/0.3")]
 #![cfg_attr(test, deny(warnings))]
 
 use std::ascii::AsciiExt;