Added first version of the vizualitation system.
Show services.
Simplified a calculation.
Use inheritance.
Added FPS counter.
Visualization works now.
Show time.
Changing time transform also changes replay begin time so that current
time in the visualization is not altered.
Show relative time with percentage.
Added buttons for increasing/decreasing speed and start the
visualization.
Added demo buttons.
Added demos.
Stop timeline when past endtime.