* include/functions_ui.php: cleaned source code style.
* extensions/update_pandora,
extensions/update_pandora/functions.ajax.php,
extensions/update_pandora/functions.php,
extensions/update_manager/lib/functions.ajax.php,
extensions/update_manager/lib/functions.php: moved this files into the
extension update_manager.
* extensions/update_manager/main.php: added hook (as a tab) the
"update_pandora".
Merged from the branch pandora_4.0
git-svn-id: https://svn.code.sf.net/p/pandora/code/trunk@5917 c3f86ba8-e40f-0410-aaad-9ba5e7f4b01f