Auto merge of #16 - durka:patch-1, r=KiChjang

add keywords for crates.io

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Author: bors-servo

Cargo.toml

@@ -5,6 +5,7 @@ authors = ["Simon Sapin <simon.sapin@exyr.org>"]
 license = "MPL-2.0"
 repository = "https://github.com/servo/rust-smallvec"
 description = "'Small vector' optimization: store up to a small number of items on the stack"
+keywords = ["small", "vec", "vector", "stack"]
 readme = "README.md"
 documentation = "http://doc.servo.org/smallvec/"