Auto merge of #66 - mbrubeck:bump, r=emilio

Version 0.4.4

* Add `as_slice` and `as_mut_slice` methods (#65).
* Add `with_capacity` constructor (#63).

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Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "smallvec"
-version = "0.4.3"
+version = "0.4.4"
 authors = ["Simon Sapin <[email protected]>"]
 license = "MPL-2.0"
 repository = "https://github.com/servo/rust-smallvec"