[572227] Add an option for headless text output without a zip

Option to use the new text renderer for UI export.
Add tree expansion to text renderer.

Change-Id: Ie6c11566c95675f1f1f421a87ec57a8eb9b8041b
Task-Url: https://bugs.eclipse.org/bugs/show_bug.cgi?id=572227
12 files changed