Added allowTransparency to iframe element.
Added allowTransparency to iframe element.

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