Crontab tests: use less precision for almostEqual

pyflakes

Updated Changelog

celeryd-multi: Hardcode name of program in splash

cleaned up celery.platforms.PIDFile

Bumped version to 2.1.0rc1

New version requirement carrot>=0.10.6

Fixed typos/wording in Changelog

Bumped version to 2.0.3 and updated Changelog

Changelog: Fixed rst indentation issue