[snowpatch] [PATCH] Cargo.toml: update dependencies

[Russell Currey]

On Sat, 2017-01-14 at 15:25 +1100, Andrew Donnellan wrote:
> Update dependencies, particularly hyper, git2 and docopt. Changes to hyper
> in 0.10.0 require the use of the hyper-openssl crate for SSL support.
> 
> Signed-off-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
> ---

Applied as 0bde4074856cc1ba14fdac8ba9b24228fae4793d, thankerinos