On 2.6 we don't have to import with statement from __future__
Conflicts:
celery/bin/celeryctl.py
celery/tests/test_app/__init__.py
celery/tests/test_app/test_app_amqp.py
celery/tests/test_app/test_app_defaults.py
celery/tests/test_app/test_loaders.py
celery/tests/test_app/test_log.py
celery/tests/test_app/test_routes.py
celery/tests/test_backends/__init__.py
celery/tests/test_backends/test_redis.py
celery/tests/test_bin/__init__.py
celery/tests/test_bin/test_celeryd.py
celery/tests/test_task/__init__.py
celery/tests/test_task/test_chord.py
celery/tests/test_task/test_registry.py
celery/tests/test_task/test_result.py
celery/tests/test_task/test_task_http.py
celery/tests/test_worker/test_worker_job.py
contrib/release/flakeplus.py