Fixed IE 9 selection issues.
Fixed IE 9 selection issues.

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