When using polyglossia there are problems with the apa biblatex style, so I've changed to authoryear

Signed-off-by: Thomas Hodgson <thomas.hodgson@gmail.com>
Merge commit 'dd25d5ed0699f9c7aaa03eabdfab70e024c81864'

Signed-off-by: Thomas Hodgson <thomas.hodgson@gmail.com>

Conflicts:
	hodgson.sty
	hodgsonbeamer.sty
Conflicts resolved