Main, Main::PSGI: rename 'timezone' config item into 'time_zone'. This is more consistent with other 'time_*' config family.
Main, Main::PSGI: add 'time_locale' config item.
Main: get_timeline_config() is now a documented public method. This is because Main::PSGI must call it.
Main::PSGI: change interface to status.tt: now the status object is passed as "s" parameter to the template. this is because it also needs to pass the timeline name to the template to obtain the appropriate config item from the timeline.
Main::PSGI: add _html_link() function.
Main, Main::PSGI: add "post_button_url" config item.
Config.pod: write about some configuration items to be implemented...
Config.pod: write config items with =head2. This is because there are plenty of items already.