yangck/celery @ 757678a59a72cc79599332b71953d6eec79c33c4

Ask Solem 884ef24919 Master is now 4.0.0b1 and in feature-freeze		9 lat temu
..
installation.txt	604469b785 Merge branch 'piotrmaslanka/new-cassandra-backend'	9 lat temu
introduction.txt	884ef24919 Master is now 4.0.0b1 and in feature-freeze	9 lat temu
resources.txt	84b3c1353b Fix all links to celery.github.com	12 lat temu