Silverlight: How to remove Mac OS X Mavericks Safari 6.1 sandbox restrictions for Silverlight enabled websites

By default, Mac OS X Mavericks / Safari 6.1 and later now load plugins like PDFs, Flash, Silverlight, and Java in a sandbox to protect users from possible exploits in the plugins, but can also prevent those sites from working as designed. See “Added security for plug-ins” On  http://www.apple.com/safari/“PDFs and widely used plug-ins like Adobe Flash…