Refactor aes ni
Merge pull request #114 from ebfe/deprecated

Switch to _mut suffix functions (RFC 52)
Merge pull request #113 from nerdrew/aesni-refactor

Refactor aes ni
Add Cargo.lock to .gitignore
Exclude rust-crypto-util from tests and benchmarks
Merge pull request #117 from Florob/cargo

Improve cargo integration
Vec::from_slice(x) -> x.to_vec()