[sequencechart] added methods for displaying the critical path - TODO: Discuss the antecessor relation
[sequencechart] added methods for efficient parallel set
[sequencechart] added methods for correctly displaying blue arrows at the end of events
[sequencechart] sequencechartfacade methods for color coding (event lenght percentages)
[sequencechartfacade] added methods for automatic bottleneck search
[sequencechart]- fixing many small glitches- adding functions to sequencechartfacade (getSmallestComplexity / getLargestCompexity)- using colors to display complexity
Initial import of Horizon 4 release.