Merge pull request #59 from shepmaster/patch-1

 Add categories to Cargo.toml

Author: alexcrichton

Cargo.toml

@@ -6,6 +6,7 @@ version = "0.2.15"
 license = "MIT/Apache-2.0"
 readme = "README.md"
 keywords = ["gzip", "flate", "zlib", "encoding"]
+categories = ["api-bindings"]
 repository = "https://github.com/alexcrichton/flate2-rs"
 homepage = "https://github.com/alexcrichton/flate2-rs"
 documentation = "http://alexcrichton.com/flate2-rs"