Show version information

Add a showVersion function like in N2D2 https://github.com/CEA-LIST/N2D2/blob/master/src/utils/Helper.cpp#L159-L232

This function will show:

• Compiler used and version
• Date of compilation
• Current commit version

added StatusTODO label

assigned to @cmoineau

changed milestone to %Sprint 1

removed StatusTODO label

mentioned in merge request !277 (merged)

added StatusReview Ready label

closed