Add State Activity Diagram
增加 决策子系统高层用例 以及 领域模型
测试文件——git配置文件修改测试
Delete testFile.txt
①Editing project planing

②Adding UC SignificantEventHandling into UserCaseModel
Refined the conceptual data model, and generated sql script through the physical data model.
Refined the RV&SSubsys Modeling.
Added History to physical data model and corrected the mandatories.
Modified PDM & SQLScript
Corrected gender info. in PDM & SQLScript
Merge branch 'System-Analysis' into develop-s.a.-exploring

Conflicts:
	Doc/UseCaseModel/ReturnVisitAndSupervisionSubsystem.unt
	Doc/UseCaseModel/UseCaseModel.unt
Merge remote-tracking branch 'origin/master' into develop-s.a.-exploring

Conflicts:
	Doc/客户投诉系统.uml
Initialized the User Interface layout
Initialized the subsystem areas