removed inc/ and src/ directory level from Core and Fit

Fit/FitKernel/FitObject.h

Fit/FitKernel/FitOptions.h

Fit/FitKernel/FitParameter.cpp

Fit/FitKernel/FitParameter.h

Fit/FitKernel/FitParameterLinked.cpp

Fit/FitKernel/FitParameterLinked.h

Fit/FitKernel/FitStrategyAdjustMinimizer.cpp

Fit/FitKernel/FitStrategyAdjustMinimizer.h

Fit/FitKernel/FitStrategyAdjustParameters.cpp

Fit/FitKernel/FitStrategyAdjustParameters.h

Fit/FitKernel/FitSuite.cpp

Fit/FitKernel/FitSuite.h

Fit/FitKernel/FitSuiteFunctions.cpp

Fit/FitKernel/FitSuiteFunctions.h

Fit/FitKernel/FitSuiteObjects.cpp

Fit/FitKernel/FitSuiteObjects.h

Fit/FitKernel/FitSuiteParameters.cpp

Fit/FitKernel/FitSuiteParameters.h

Fit/FitKernel/FitSuitePrintObserver.cpp

Fit/FitKernel/FitSuitePrintObserver.h