added new global root-coordinate-system machinery

CMakeLists.txt

Documentation/Examples/geometry_example.cc

Documentation/Examples/helix_example.cc

Documentation/Examples/staticsequence_example.cc

Framework/Cascade/testCascade.cc

Framework/Geometry/BaseVector.h

Framework/Geometry/CMakeLists.txt

Framework/Geometry/CoordinateSystem.h

Framework/Geometry/Point.h

Framework/Geometry/RootCoordinateSystem.h

Framework/Geometry/testGeometry.cc

Framework/ProcessSequence/CMakeLists.txt

Processes/StackInspector/StackInspector.cc

Stack/SuperStupidStack/SuperStupidStack.h

Stack/SuperStupidStack/testSuperStupidStack.cc