remove the require_once lib base from all (or nearly all) files

apps/bookmarks/addBm.php

apps/bookmarks/ajax/addBookmark.php

apps/bookmarks/ajax/delBookmark.php

apps/bookmarks/ajax/editBookmark.php

apps/bookmarks/ajax/recordClick.php

apps/bookmarks/ajax/updateList.php

apps/bookmarks/index.php

apps/calendar/ajax/calendar/activation.php

apps/calendar/ajax/calendar/delete.php

apps/calendar/ajax/calendar/edit.form.php

apps/calendar/ajax/calendar/edit.php

apps/calendar/ajax/calendar/new.form.php

apps/calendar/ajax/calendar/new.php

apps/calendar/ajax/calendar/overview.php

apps/calendar/ajax/calendar/update.php

apps/calendar/ajax/categories/rescan.php

apps/calendar/ajax/changeview.php

apps/calendar/ajax/event/delete.php

apps/calendar/ajax/event/edit.form.php

apps/calendar/ajax/event/edit.php