Don't go through a resign/become cycle if animation is not requested.
Don't go through a resign/become cycle if animation is not requested.

fishermenlabs/DTRichTextEditor,liulinjian/DTRichTextEditor,programming086/DTRichTextEditor,Cocoanetics/DTRichTextEditor,fishermenlabs/DTRichTextEditor,programming086/DTRichTextEditor,liulinjian/DTRichTextEditor