Line ending consistency
Object Plurality
Add db migration to store_demo startup
Merge branch 'monsterporium_feedback' of github.com:wtfspm/curriculum into wtfspm-monsterporium_feedback

Conflicts:
	source/projects/monsterporium/index.markdown
	source/projects/monsterporium/introducing_services.markdown
	source/topics/extract_notification_service.markdown
Merge branch 'wtfspm-monsterporium_feedback'