* use upon-demand initialization in BTimeZone to avoid unnecessary work
* renamed BTimeZone::Code() to BTimeZone::ID() and adjusted all callers
* avoid using BCountry in the Time preflet for the time being, this means
the icon-flags are gone for now (but they could be re-added if the demand
is pressing ;-)
* group the timezones by regions and then by country instead
The performance improvement is considerable and I personally think the new grouping is an improvement, too. Please share your thoughts!
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@38322 a95241bf-73f2-0310-859d-f6bbb57e9c96
750e57b842