prepare for 0.5.2 release [ci skip] (#61)

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "env_logger"
-version = "0.5.1" # remember to update html_root_url
+version = "0.5.2" # remember to update html_root_url
 authors = ["The Rust Project Developers"]
 license = "MIT/Apache-2.0"
 readme = "README.md"

README.md

@@ -18,7 +18,7 @@ It must be added along with `log` to the project dependencies:
 ```toml
 [dependencies]
 log = "0.4.0"
-env_logger = "0.5.1"
+env_logger = "0.5.2"
 ```
 
 `env_logger` must be initialized as early as possible in the project. After it's initialized, you can use the `log` macros to do actual logging.
@@ -54,7 +54,7 @@ Tests can use the `env_logger` crate to see log messages generated during that t
 log = "0.4.0"
 
 [dev-dependencies]
-env_logger = "0.5.1"
+env_logger = "0.5.2"
 ```
 
 ```rust

src/lib.rs

@@ -142,7 +142,7 @@
 
 #![doc(html_logo_url = "http://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",
        html_favicon_url = "http://www.rust-lang.org/favicon.ico",
-       html_root_url = "https://docs.rs/env_logger/0.5.1")]
+       html_root_url = "https://docs.rs/env_logger/0.5.2")]
 #![cfg_attr(test, deny(warnings))]
 
 // When compiled for the rustc compiler itself we want to make sure that this is