secure files

Signed-off-by: Chris Browne <chris.browne@anu.edu.au>
commit

Signed-off-by: Chris Browne <chris.browne@anu.edu.au>
Merge remote-tracking branch 'origin/master'

Signed-off-by: Chris Browne <chris.browne@anu.edu.au>

Conflicts:
	content.md