Implemented cursor behaviour when ajax starts and ends.
Merge branch 'celery'
Implemented celery task system
Added stop button
Added redis cache configuration and middleware classes
Added cache imports and modified the task to allow access to its request context
Implemented first version of stop function. Its main goal is allow the
user to cancel the current tasks.
Added cache imports, modified task call and first version of elif in
case we receive a cancel parameter in request.GET response.
Deleted redis cache configuration not needed and added some celery parameters
Python requirements
Deleted cache configuration
Deleted cache statements
First version of using django session to store the task id
Added configuration for django toolbar
Changed Django required version
Added CELERY_SEND_TASK_SENT_EVENT variable
Deleted while loop and session management.
Implemented taskid management using a file to save it. This way we can
restore it and cancel the current task.
Implemented manage_taskid function to manage the task id in case we have
to cancel the task.
Added disabled attribute to stop button
Improved stop and clear buttons behaviour. Also the commands selector
behaviour has been improved.