Fixed #410. Create a new link when there is no anchor on range.
Fixed #410. Create a new link when there is no anchor on range.

bebeeteam/summernote,AshDevFr/winternote,summernote/summernote,bebeeteam/summernote,summernote/summernote,bebeeteam/summernote,AshDevFr/winternote,summernote/summernote,AshDevFr/winternote