Replaced a couple of explicit calls to .appendChild() with DOM.appendChild()
Replaced a couple of explicit calls to .appendChild() with DOM.appendChild()

corinthia/corinthia-editor,corinthia/corinthia-editorlib,corinthia/corinthia-editor,corinthia/corinthia-editor,corinthia/corinthia-editorlib,corinthia/corinthia-editorlib,corinthia/corinthia-editor,corinthia/corinthia-editorlib,corinthia/corinthia-editor,corinthia/corinthia-editorlib