Improve handling of _text and _layout
Show Harmony text in Object Debugger
Ignore Return key when editing Harmony

Also added placeholder for possible reinstatement of setUnstyled()
Revert to unstyled text for Harmony
Fix unstyled text to obey alignment
Revert 9118b9c as not needed for Harmony...

It also caused issues with standard simple text, such as the title box.
Give an edit frame a little padding, like in 1.3
Merge pull request #295 from softins/harmony-text

Harmony text