Show list of tasks when adding tasks to New Stage Form

There is need of showing list of task associated to the project in New Stage form while listening to the onChange listener of the input taking tasks as input.

Tasker/templates/project_dashboard.html

Lines 64 to 65 in 8d7298e

    
           Tasks Included<br> 
        
           <input type="text" placeholder="Enter Task Names to be Included" id="stage_task_names"><br>

And it is import to add task_ids in task field from database so that it can be identified uniquely.

	Tasks Included<br>
	<input type="text" placeholder="Enter Task Names to be Included" id="stage_task_names"><br>