Support display of individual task
Clear table only if taskList is not null
Temporarily print feedback into stdout first
Clear user input field at the end.
Progress~ Attempting to display a task will update the Task Name label in the GUI.
Add additional labels to right panel of GUI, update them when displaying tasks.
Refactor
Merge branch 'master' of github.com:cs2103aug2014-w13-4j/main into command-conditional
Remove redundant test code
Move command into models