Fixing grammar in configuration options docs
Canvas guide example fix
Update ironmq.rst

Changed Rackspace DFW endpoint to ORD. (ORD is newest IronMQ installation for Rackspace; DFW is being deprecated.)
Allow multiple celeryd daemons, using symlinks and separate config files in sysconfig.
Added backend for Couchbase
fixes
fixed comment
removed useless import
more cleaning
fixed comment
bugfix
fixed typo
fix
added couchbase NotFoundError
cleaned tests
Merge branch 'master' of github.com:alman-one/celery