reverting commit 1.889 "added another parameter to moodle_url out, out_action and get_query_string so that developer can output url with query string joined by '&' and not '&amp;'. &amp; breaks redirect on IE."  It turned out to be unnecessary.
reverting commit 1.889 "added another parameter to moodle_url out, out_action and get_query_string so that developer can output url with query string joined by '&' and not '&amp;'. &amp; breaks redirect on IE."  It turned out to be unnecessary.

dilawar/moodle