Add Google Cloud Platform to developers section
Adding neutral class.
Custom column is now "neutral" with a minus icon instead of red with an X
Add Google Cloud icon
Merge branch '65', closes #65

Conflicts:
	_data/main.yml
Use SemanticUI's builtin disabled
Merge branch '81', closes #81
Merge branch 'master' of https://github.com/jdavis/twofactorauth into resized_icons