Removed the HTML5-invalid "profile" attribute.
Merge branch 'profile' into all

Conflicts:
	tests/0089.txt
	tests/0093.txt
	tests/0099.txt
	tests/0104.txt
Use @prefix.
xmlns:foaf isn't valid in HTML5
xmlns isn't valid in HTML5.
Add @rel="" to test 0009 (link@rev) to make valid