Fixed Typo in error message
Merge pull request #2694 from MartinSeeler/patch-1
Update history to reflect merge of #2694 [ci skip]
Use helper method #deprecation_message in Deprecator.no_subcommand.
Remove preemptive loading of the 'classifier' gem.
Merge pull request #2697 from jekyll/classifier-fix
Update history to reflect merge of #2697 [ci skip]