TINY-1064, paste: retain filename when image is dropped from the desktop
TINY-1064, paste: retain filename when image is dropped from the desktop

gencer/tinymce,TeamupCom/tinymce,tinymce/tinymce,FernCreek/tinymce,FernCreek/tinymce,FernCreek/tinymce,danielpunkass/tinymce,gencer/tinymce,TeamupCom/tinymce,danielpunkass/tinymce,danielpunkass/tinymce,leofeyer/tinymce,leofeyer/tinymce,tinymce/tinymce,tinymce/tinymce