Upgrade celery `flower` to 0.6.
Upgrade celery `flower` to 0.6.

WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow,1flow/1flow,1flow/1flow,WillianPaiva/1flow,1flow/1flow,WillianPaiva/1flow,WillianPaiva/1flow,1flow/1flow