Adding checkpoint synchronization.
Adding echo server.
Merge branch 'master' of github.com:Hoverbear/rust-rosetta into echo_server
Merge branch 'master' of github.com:Hoverbear/rust-rosetta into checkpoint_synchronization
Merge pull request #246 from pythonesque/checkpoint_synchronization

Adding checkpoint synchronization.
Merge pull request #247 from pythonesque/echo_server

Adding echo server.
Merge