fixed jscalendar's language-files
fixed issue with news and end-date
added kewyword id to all new files
fixed path in jscalendar-css
Added default index.php to all folders to prevent directory spoofing
added keyword id
Had to fix some strtotime()-related issues in admin/pages/sections and module news to use with PHP4.
Added keywords to new files
adapted news-module to use the new jscalendar, removed old one
added new module-based search-function and publish-by-date code