Change token font to app font.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Change font of “insert new token” buttons to app font.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>
Change font of login view controller to app font.

Signed-off-by: Aron Cedercrantz <aron@cedercrantz.se>