Commission Implementing Regulation (EU) 2015/564 of 8 April 2015 establishing the allocation coefficient to be applied to the quantities covered by the applications for import licences lodged from 30 to 31 March 2015 under the tariff quota opened by Regulation (EC) No 1918/2006 for olive oil originating in Tunisia and suspending submission of applications for such licences for the month of April 2015