ACF now requires at least WP 3.5

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Updating version

Signed-off-by: Elliot Condon <e@elliotcondon.com>
Heaps of functionality for image / file attachments!

Signed-off-by: Elliot Condon <e@elliotcondon.com>