SizePolicy along X of IntensityDataProperty widget is changed to Fixed to not to occupy too much space on large screens

Refactoring in Distributions to have generation of samples within min,max in addition to range derived from sigma_factor.

IParameterized and ParameterPool now respects parameter's AttLimits, corresponding unit tests, PythonAPI regenerated.

Implemented GUI functional test for ParticleComposition (translation is now ok, but total particle density is still missing from ParticleLayoutItem in GUI)

Hack in AwesomeEditor to not to propagate mouse wheel events from scroll area to combo and group boxes

In NewDialog "create" button now have setDafault policy for correct process of push-enter button event.