[tz] South Australia decides not to change time zone

[Paul Eggert]

The government of South Australia has given up on the idea of advancing clocks 
by 30 minutes to AEST/AEDT.  See:

South Australian Government abandons time zone shift plans following 
Opposition's rejection.  ABC News (Australia) 2015-09-11. 
http://www.abc.net.au/news/2015-09-10/sa-liberals-looking-to-past-on-time-zone-shift-hamilton-smith/6763746