Ability to double click on task name to rename

[m4dcoder]

Currently if I want to rename the task, I have to go to the right hand panel, click on edit next to the task name, type in the new task name, and then click rename. If will be nice to be able to double click on the task name in the canvas or task name in the right panel, type the new task name, exit from the edit box and the new task name is automatically saved.