Updated UploadDiagram use case for project soft delete functionality.
Updating CompareDiagram and ManualMerge use cases for project soft
delete functionality.
Updated AutoMerge use case to include project soft delete functionality.
Add MaintainProject use case, including soft delete functionality.
Add AddProject use case including soft delete functionality.
Add AddContext and MaintainContext use cases, including project soft
delete functionality.
Merge pull request #28 from ahajirnis/CLUBUML-120

Clubuml 120