Add down arrow key handling for ARIA comp
dobedo
Tidied up menus a bit
atto_html
Fix plugin and button state cange
atto_image
atto_editor
atto_accessibilitychecker
fixed enabling/disabling
updat todo
tidy up callback normalisation
atto_image - correct last selected imaeg issues
editor_atto - correct selectionFilterMatches default for requireall