Merge pull request #4 from killercup/patch-1

Add crate metadata

Author: steveklabnik

Cargo.toml

@@ -5,6 +5,9 @@ version = "0.1.0"
 description = "Do two directories have different contents?"
 license = "MIT/Apache-2.0"
 repository = "https://github.com/steveklabnik/dir-diff"
+documentation = "https://docs.rs/dir-diff"
+readme = "README.md"
+tags = ["directory", "diff", "fs"]
 
 [dependencies]
 diff = "0.1.10"