SSHKit::Command: Changed it include the exit status code in the exception message generated by #exit_status=.  This information is often useful, for example when the command was not found on the remote system.
Fix "undefined method `verbosity'" error in the Pretty formatter
Fixing link to travis-ci so the badge works properly
Merge pull request #79 from BukhariH/Fix_ReadMe

Fixing link to travis-ci so the badge works properly
Merge pull request #80 from seanhandley/typo

Fix typo.
Add GFM for code examples.
Merge pull request #82 from seanhandley/GFM

Refactor code samples to use GFM.
Merge pull request #71 from DavidEGrayson/pull_request_1

Include the exit status in the failed command output.
Merge pull request #58 from Nikita-V/verbosity_error

Fix "undefined method `verbosity'" error.
Refer to all_servers array defined earlier.
Merge branch 'typo' of github.com:seanhandley/sshkit into typo

Conflicts:
	README.md