add more functions for timeline diagram

simulators/c++2/src_simulator/arch/CPU.cpp

simulators/c++2/src_simulator/arch/FPGA.cpp

simulators/c++2/src_simulator/arch/MultiCoreCPU.cpp

simulators/c++2/src_simulator/arch/SchedulableDevice.cpp

simulators/c++2/src_simulator/arch/SingleCoreCPU.cpp

simulators/c++2/src_simulator/sim/Simulator.cpp

...ui/interactivesimulation/JFrameInteractiveSimulation.java

...teractivesimulation/JFrameTMLSimulationPanelTimeline.java

...ain/java/ui/interactivesimulation/LargeHTMLEditorKit.java

ttool/src/test/java/tmltranslator/TimelineDiagramTest.java

...mltranslator/expected/expected_get_generated_timeline.txt