Rename _siggame navbar snipped to _blog
Link to blog.megaminerai.com from navbar
Remove zinnia
Remove zinnia stuff from installed_apps
Remove zinnia URLs
Remove zinnia templates
Remove zinnia settings
Remove blog test fixtures
Remove zinnia context processors
Remove blog entries from home page
Merge branch 'feature/remove-blog' into develop
Fix trailing slash issue

Resolves #45 (I hope)