Add a deployment fixture for redis/go-martini app.
Remove docopt in favor of cobra

* Causes some minor changes in switchns command line
* Fixed a bug in create repo around timing of success/failure messages
* Fixed slow repository creation
Remove vendored docopt package
Merge pull request #17 from derekwaynecarr/master

Add authorized_keys fixtures for testing
Merge pull request #16 from mrunalp/dev/redis_deploy

Add a deployment fixture for redis/go-martini app.
Merge pull request #19 from kraman/remove_docopt

Remove docopt in favor of cobra
Merge pull request #20 from kraman/remove_docopt

Remove vendored docopt package