* Add folders: Declaration/, DemoData/ and Docs/ with user-manual source.
* Minor fixes in User Manual.: 2.01-->2.0.x, "executive"-->"executable".
* Add BUILD.md, README.md, CHANGES.md, COPYING.txt.
* Update Release-procedure in BUILD.md.

COMPLETE Switch Config-setings to JSON, separate config/ folder (recreated on startup) from Declaration/ one

* Store WorkingDir as relative to App's Path.
* Selected Editor done via System.Diagnostics.Process.Start and  editor.exe instead of Shell and Path for notepad.exe.
* Minor GUI-work (set icons to dialogs)

AMIDST Switch Config-setings to JSON, separate config/ folder (recreated on startup) from Declaration/ one

* cSettings: objectify IO of settings, use try/catch for its error handling.
* Use json-schema to check settings.
* Open editor for text-files with System.Diagnostics.Process.Start instead of Shell and use Path.
* Utility routines for formatting msgs, joining file-paths.
* Add reference to Json.net dll.

* ATTEMPT to FIX Config read/write to proceed even on errors:
** fConfigfStore() produces invalid settings.txt with empty lines.
* Move UI code outside config-saving routine  `fAusgConf()` into respective window `CSE_config`.
* Set assembly's desc.
* Backtrack ver fro check by TUG: 2.0.1-beta0-->2.0.1-pre0

* Add CSE-icon to main window.
* Move and User-Manual into /Docs folder and remove version-info from its name.
* Minor rename app with undrscore.
* Use Markdown for README.

* commit 'd9e19fa2':
  Add Readme.txt and user manual

CSE status: after Final report, before end delivery