fix(strictStandards): Correct declaration of Fdl_Mail_mime::addAttachment (refs #4474)
fix(notice): Correct PHP notices in generic_usort.php (refs #4473)
fix(notices): Correct notices in Class.DocWaitManager.php and Class.DocWait.php (refs #4472)
Merge pull request #1065 from eguaj/3.2-A4474

fix(notices): Correct notices and strict standards (closes #4472)(closes #4473)(closes #4474)