Fixed event. To fix event again, add early/late complete time in activity as plan time.
Finished class Config and BusinessEvent. To do sth with diff event.
Added class intervalcoverage. To record the DP result in intervalcoverage.
Fixed bug of intervalcover. To trans resource to use alg intervalcoverage.
Added BusinessAction, finished Businessimulation. To add user chose show.
Added businessmainwidget, layout window. To show event, actions, reward etc.
Finished signal and slot in servicegraph. To restruct run() in businessimulation.