Bug 1572377: Selecting correct lang file to use with select2

behatnotneeded - unable to test other languages

Change-Id: I417b1b1bd8fd8dcddcd1c7277d2da83d2c3c6f8e
Signed-off-by: Robert Lyon <robertl@catalyst.net.nz>
(cherry picked from commit 8d58e3a6)