Delete link related commands to Specinfra
Update dependency on Specinfra
Fix error message when recipe not found

When recipe not found, target is nil. So I've changed to
display recipe name instead of target.
Add Code Climate badge.
Merge pull request #33 from mizzy/fix-error-message-when-recipe-not-found

Fix error message when recipe not found
Merge pull request #32 from mizzy/delegate-link-command-to-specinfra

Delegate link command to specinfra
Improve log output.
Remove datetime from log output.
Color whole log line.
Remove unused method.
Improve log output.
Bump up version