Added a new fix for the odd delete bug on IE that happens randomly.
Added a new fix for the odd delete bug on IE that happens randomly.

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