Implementation of experimental sensitivity classes

[jgalan]

• Implement TRestComponent
• Implement TRestComponentDataSet
• Implement TRestComponentFormula
• Implement TRestExperiment
• Implement TRestExperimentList
• Implement TRestResponse
• Implement TRestSensitivity

Other add-onds that were required during the development:

• Method REST_StringHelper::RemoveDelimiters was implemented in order to remove any of [{()}] from an input string.
• Method REST_StringHelper::IntegerToBinary is used to return a std::vector containing 0s and 1s, that reproduce the integer number in binary format. This is used on the N-dimensional interpolation, in order to access the interpolation points, reducing the integer number in an iterative way to a base of the N-dimensional space.
• Method TRestTools::CanvasDivisions(int n) to help finding a good NxM ratio to host n plots inside a canvas.
• TRestTools now supports also std::string tables.