Scrutinizer Auto-Fixes

@colinfrei requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/colinfrei/OpenBadgesPodcast/inspections/f25487ca-3e29-4774-91d2-9add1c25d694

Enabled analysis tools:
 - PHP CS Fixer
 - PHP Copy/Paste Detector
 - PHP PDepend