Merge pull request qltysh#6 from codeclimate/gd-php

Add PHP code sniffer engine

Open source commit

Merge pull request qltysh#67 from codeclimate/gd-empty-engines

Alert when no engines are enabled

Update codeclimate-wrapper

Merge pull request qltysh#59 from codeclimate/add_delimiter_to_issue_…

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Add delimiter to issue total