fixed language-files
Moved language variables for edit module CSS from modules language files to core language files
search: added search_time_limit in settings (mainly for sites with PHP < 4.3.3 and slow search)
added missing text in language-files
added new languages to install script; fixed some issues and typos in languagefiles
Removed colloquially german language files as the filename causes issues
fixed language bug (backend language switched to the pages language viewed in frontend)