Celery intro for job scheduling

[alexandraBara]

Using celery as the scheduler for the following tuning runs:

• miopen_perf_compile/eval
• fin_find_compile/eval

Celery workers are automatically launched when tuning runs. New dependency added: redis

celery folder: /tuna/celery_app miopen celery folder: /tuna/miopen/celery_tuning

[alexandraBara]

Posting different branch with updated code