Resolve #202 and add a unit test and acceptance test.
Merge pull request #203 from dnephin/release_0.5.2

Resolve #202 and add a unit test and acceptance test.
Log an informative error when we're missing a local channel.
Merge pull request #205 from dnephin/42_fix_ssh_channel_request_exception_take_2

Log an informative error when we're missing a local channel.
Merge branch 'master' of github.com:Yelp/Tron into release_0.6
Remove old dev script which was replaced with pyauotest.
Merge branch 'release_0.6' of github.com:Yelp/Tron into 199_verify_host_key