TINY-849: updated changelog
TINY-849: updated changelog

blakewallan/tinymce,leofeyer/tinymce,jtark/tinymce,tinymce/tinymce,gencer/tinymce,adaptiffdesigns/tinymce,tinymce/tinymce,MediehusetTek/tinymce,FernCreek/tinymce,tinymce/tinymce,danielpunkass/tinymce,danielpunkass/tinymce,aduth/tinymce,blakewallan/tinymce,gencer/tinymce,jtark/tinymce,TeamupCom/tinymce,FernCreek/tinymce,adaptiffdesigns/tinymce,FernCreek/tinymce,danielpunkass/tinymce,MediehusetTek/tinymce,leofeyer/tinymce,TeamupCom/tinymce,aduth/tinymce