Issue #88: Make 'No timezone set' as the default if timezone is not set in OS, i…
Created by: bharathCh
…n config page.
Issue #88 (closed) :When no timezone is set, Plinth shows the first timezone in the list of choices. Instead, show 'No timezone set'. Also, user will not be able to save 'No timezone set' in the /etc/timezone. Use will be able to set a valid timezone only.
Signed-off-by: Bharath Chava bharath.ch@gmail.com