* Add control for beta angle <= 360° and calculation to +-180° if angle > +-180°
  * Update user manual
  * New Version number.

This reverts commit ac3d72cc.

  * Correction length calculation for the first section in the dat-file when there is a gap between the first and second MS.
  * Update length calculation in csms-file to check if specified length from user and coordinates are the same
  * New Version number.

  * Correction length calculation for the first section in the dat-file when there is a gap between the first and second MS.
  * Update length calculation in csms-file to check if specified length from user and coordinates are the same
  * New Version number.

* Removed unused cResults class.
* Minor fix in logging-window.

* Remove unused distVincenty() func.

* GUI: Set AboutBox to display version, move create-activation-code menu-item into tools.
* Restored result-files from running of the demo-data.
* Updated changes.

* job: FIX reading of OldJobFiles, broken by previous MainForm UI work.
* log: FIX (minor) doubl-log wrnings.
* UI: Improve the image of the "exec" buttons.
* Reset [TAB]-order on MainForm.

* FIX type-bug in working-dir root/unroot utility func.
* Restructure F_Main.vb's regions and handlers.
* job-file: Enabled fpath patterns and make them optional/accept nulls/empty fpaths
* UI: Add ReloadJob button.

* json: Cache bodySchema since access frequently for defaults, etc.
* FIX various NPEs when app has started due to AsyncWorker and log.
* Update result-files into demo-data.
* STILL SINGLE TRACK FILE!

* UI: Remove all values from Criteria textFields.
* UI: Rename tab-Options --> Criteria
* Cleanup some forgotten Global-vars.
* worker: Remove unused Error field.

* FIX calculation messed by missing coasting-file sequence indices, ~3 commit before.
* Apply Object-oriented design with resource-management when I/O files.
* log: rename main logging-routine to "log()".
* Catch and report with MsgBox early-start exceptions.
* Merge contents of CSE_Types.vb -->CSE_Globals.vb
* FIX: Use WorkingDir for all job-fpaths.
* FileDlg: FIX to work with multi.json extensions.

* Minor text updates.

* log:
** Move logFile routine along with he others,
** make log routines from funcs -->subs,
** stop unecessary anymore double-logging when sending to dlgbox.
* Always ensure /Header/BodySchema exists, to hint user to use it.
* Move schema-help routine to jsno-utils.

* json: Read defaults from schemas.
* prefs:  Make all props non-required.

* Add Evaluation-job in demo-data.

* 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.