JSONize Job & Criteria files (BU on just before finishing evaluation).

* Read both old and json Job-files, write only Json.
* Restructure UI-code,
** move related funcs to F_MAIN class,
** remove Export_GUI.vb & utils_GUI.vb,
** move read Shape-file into Input.vb.
* FIX Start counting from 0 on arrays for Anemometer-factors and measurement-data.
* UI: Dropped dummy file-paths for unspecified job-files.
* log: gather all log-routines jn utils.vb.
* json: Change constructor sequence for cJsonFile-subclasses, require Body to be given on constructor.