Merge #807

807: Switch to libc definitons of errno constants r=Susurrus a=Susurrus

Still need to do OpenBSD and NetBSD. Primary goal with this first pass is to see what doesn't exist properly in `libc`.

Closes #487.

Author: bors[bot]

Cargo.toml

@@ -23,7 +23,6 @@ lazy_static = "1"
 rand = "0.3.8"
 tempdir = "0.3"
 tempfile = "2"
-nix-test = { path = "nix-test", version = "0.0.1" }
 
 [[test]]
 name = "test"

README.md

@@ -98,6 +98,7 @@ Then, add this to your crate root:
 ```rust,ignore
 extern crate nix;
 ```
+
 ## Contributing
 
 Contributions are very welcome.  Please See [CONTRIBUTING](CONTRIBUTING.md) for