Updated changelog.txt with recent patch details.
Updated changelog.txt with recent patch details.

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