Simplified the model by removing the parent-child relationship from WorkItem.

Signed-off-by: Ivan Fabijanovic <ivan-fabijanovic@live.com>
Started Desktop UI implementation for the Model objects.

Signed-off-by: Ivan Fabijanovic <ivan-fabijanovic@live.com>
Implemented the Desktop UI for WorkItemType.

Signed-off-by: Ivan Fabijanovic <ivan-fabijanovic@live.com>
Merge branch 'dev'
Updated the readme file.

Signed-off-by: Ivan Fabijanovic <ivan-fabijanovic@live.com>