/*! \page pageProblemInterface ProblemInterface

ProblemInterface offers to ProjectBase instance the needed functions to handle problems and their corresponding interface. Especially, it offers instantiation function, GUI functions and save/load functions.

\image html Images/ProblemInterface.png "ProblemInterface functionalities" width=10cm

This class allows to easily extend tools to support new kind of problems/results. One can see how to do this on this page : \ref pageAddANewProblem.




 **/
