examples: exampleUsageExplanation
(cherry picked from commit a8402dbcc49d27501c2a7cb7e46432dec176a64d)
Make examples more user friendly: Rename directory input to import, output to export
(cherry picked from commit 75c99831fca4b47995773d454197e11652ada14d)
Make examples more user friendly: Sort files alphaNumeric + rename nqueens and cloud balance datasets accordingly
(cherry picked from commit 5d50e34227a5d8e9b1e7f0f4badff0108ab675f3)
Make examples more user friendly: New examples app layout
(cherry picked from commit 08d3b4be0e572c9ce437daf7380ff68a24f12424)
Make examples more user friendly: improve working directory error message
(cherry picked from commit 65d3416c9bf7a6993eff9459e6107229c19e9b04)