Updates to L27 Spec using UML - strategy design pattern etc

Lectures/L27_SpecViaUML/DataSetInterface/bin/experiment

.../L27_SpecViaUML/DataSetInterface/experimentation/main.cpp

...res/L27_SpecViaUML/DataSetInterface/include/BankAccount.h

...27_SpecViaUML/DataSetInterface/include/DataSetInterface.h

Lectures/L27_SpecViaUML/DataSetInterface/src/BankAccount.cpp

.../L27_SpecViaUML/DataSetInterface/src/DataSetInterface.cpp

Lectures/L27_SpecViaUML/DataSetMultipleInheritance/Makefile

...es/L27_SpecViaUML/DataSetMultipleInheritance/bin/.gitkeep

.../L27_SpecViaUML/DataSetMultipleInheritance/bin/experiment

...iaUML/DataSetMultipleInheritance/experimentation/main.cpp

...UML/DataSetMultipleInheritance/include/DataSetInterface.h

...pecViaUML/DataSetMultipleInheritance/include/Measurable.h

...7_SpecViaUML/DataSetMultipleInheritance/include/PointMT.h

...27_SpecViaUML/DataSetMultipleInheritance/include/PointT.h

...iaUML/DataSetMultipleInheritance/src/DataSetInterface.cpp

...L27_SpecViaUML/DataSetMultipleInheritance/src/PointMT.cpp

.../L27_SpecViaUML/DataSetMultipleInheritance/src/PointT.cpp

Lectures/L27_SpecViaUML/DataSetsAggregation.pdf

Lectures/L27_SpecViaUML/DataSetsAggregation.xml

Lectures/L27_SpecViaUML/MeasurableInterface.pdf