Silverlight/HTML4, XMLHttpRequest: Fix various inconsistencies. moxie: Update (moxiecode/moxie@b94e1ccf0ad57339fcd50a9439bd4c2b3534aa8b).
Silverlight/HTML4, XMLHttpRequest: Fix various inconsistencies. moxie: Update (moxiecode/moxie@b94e1ccf0ad57339fcd50a9439bd4c2b3534aa8b).

envato/plupload,vitr/fend005-plupload,envato/plupload,moxiecode/plupload,vitr/fend005-plupload,moxiecode/plupload