- use icon for the window title 
- change title of view to "Task List"
- "Name" column has been changed: Its content is same as in
   the tree (with icon), 
- "Name" is the first column
- the task list is updated instantly after a change was made
  somewhere else. This is done by registering listeners to all the user
  task.
- The column with the current status is added and is also
  have a drop down menu with all the enum items (open, closed,
  in progress)
- One can sort the contents by column content (by clicking
  on the column name)