Closes #8

The changes were done automatically using:

$ cargo +nightly fix --edition

Wrapping the arguments of an OscMessage in an Option was redundant
since an empty vector provides the same information.

This closes #7

This will prevent an unnecessary move of the array.

Add OscArray type

implement From<&str> for OscType

Fix Crates.io badge

Replace uses of try! with ? for results

It was pointing to the wrong project

Updated byteorder crate.

Add some helpful impls to OSC types to make working with them easier

e429dfb9cc
removes the ByteOrder's error type because it was a simple wrapper on
`io::Error` and `read_exact` method is marked as stable since Rust 1.6.