Rename EEditorWidget to EHTMLEditorView
When restoring focus on composer restore selection as well
Fix indent after EHTMLEditorView rename
Rename EEditor to EHTMLEditor
Rename EEditorSelection to EHTMLEditorSelection
Rename EEditorActions to EHTMLEditorActions
Rename EEditorUtils to EHTMLEditorUtils
Rename EEditorDialog to EHTMLEditorDialog
Fix docs after EEditor -> EHTMLEditor rename