Disable site-wide calendar.
Add site wide calendar test.
Merge branch '5496' of github.com:openscholar/openscholar into 5496
Disable blog site-wide as well.
Put blocks just in context.
Final decision (for now) - remove the calendar, leave the blog.
resolve merge conflicts
Merge pull request #5499 from openscholar/5496

Disable site-wide calendar.