application.properties: revert changes to timestamp
application.properties: revert changes to timestamp

To keep the same version between upstream and tuakiri-develop
for easier merging and swapping between branches.

REANNZ/AAF-VHO,University-of-Auckland/AAF-VHO,University-of-Auckland/AAF-VHO,REANNZ/AAF-VHO,University-of-Auckland/AAF-VHO,REANNZ/AAF-VHO