Fixed broken getOuterHTML on IE 8.
Fixed broken getOuterHTML on IE 8.

howanghk/tinymce,kencheung/tinymce,nikolas/tinymce,blakewallan/tinymce,Razzwan/tinymce,FernCreek/tinymce,sjbufton/tinymce,jashua212/tinymce,nbcp/tinymce,simachewh/tinymce,fillabs/TinySpecMCE,TeamupCom/tinymce,tinymce/tinymce,Zimbra/tinymce,gabixdev/tinymce,jashua212/tinymce,ChristophKaser/tinymce,enfold/tinymce,danielpunkass/tinymce,bsuh/tinymce,howanghk/tinymce,ice8lue/tinymce,tinymce/tinymce,dziemian007/tinymce,support-dot-com/tinymce,danielpunkass/tinymce,fashionsun/tinymce,shilpi230/tinymce,blakewallan/tinymce,pmpl-5/tinymce,MediehusetTek/tinymce,jtark/tinymce,MediehusetTek/tinymce,Kindling/tinymce,henrythewasp/tinymce,Razzwan/tinymce,henrythewasp/tinymce,danchr/tinymce,kencheung/tinymce,nbcp/tinymce,pmpl-5/tinymce,support-dot-com/tinymce,FernCreek/tinymce,enfold/tinymce,fillabs/TinySpecMCE,1099511627776/tinymce,gencer/tinymce,endjin/tinymce,1099511627776/tinymce,TeamupCom/tinymce,endjin/tinymce,sachgits/tinymce,adaptiffdesigns/tinymce,ice8lue/tinymce,jtark/tinymce,dziemian007/tinymce,aduth/tinymce,rbecheras/tinymce,aduth/tinymce,fashionsun/tinymce,Kindling/tinymce,fhchina/tinymce,VioletLife/tinymce,VioletLife/tinymce,ikuchmin/tinymce,rbecheras/tinymce,shilpi230/tinymce,ETSI-CTI/TinySpecMCE,sjbufton/tinymce,Shopify/tinymce,M4R7iNP/tinymce,fhchina/tinymce,M4R7iNP/tinymce,ChristophKaser/tinymce,Zimbra/tinymce,simachewh/tinymce,rxl194/tinymce,gabixdev/tinymce,FernCreek/tinymce,sachgits/tinymce,danchr/tinymce,rednose-public/tinymce,tinymce/tinymce,danielpunkass/tinymce,gencer/tinymce,leofeyer/tinymce,rednose-public/tinymce,leofeyer/tinymce,adaptiffdesigns/tinymce,rxl194/tinymce,ETSI-CTI/TinySpecMCE,bsuh/tinymce,nikolas/tinymce,ikuchmin/tinymce