Update to display if the user id is HUID or XID
Merge branch 'develop' into feature/displaytype_huid_xid

Conflicts:
	add_people/templates/add_people/section_details.html
	add_people/templatetags/aptags.py

Add new test cases in test_aptags.py
Update _enrollments_list_by_name.html with identifier HUID or XID
Remove dupe test case
Added test case for checking non-string as value
Merge pull request #73 from Harvard-University-iCommons/feature/displaytype_huid_xid

Update to display if the user id is HUID or XID