Fail deployment if any task fails to report a success exit code
Ensure update of log output if deployment fails
Update slack-notifier gem

Add support for the new incoming webhook format of slack. Slack now
provides a webhook url instead of a subdomain and token.
Use commit_change_limit method instead of removed COMMIT_CHANGE_LIMIT

Missed this in #114
Merge pull request #122 from dblandin/fix-slack-notifier-commit-changes

Use commit_change_limit method instead of removed COMMIT_CHANGE_LIMIT
Merge pull request #123 from flowdock/deployment-task-fix

Look for deployment task in correct place and add spec
Merge pull request #119 from gewo/update_slack_notifier

Update slack-notifier gem
Merge pull request #115 from dblandin/fail-deployment-on-first-task-error

Fail deployment on first task error
Merge remote-tracking branch 'upstream/master'
Merge branch 'master' into flowdock