Support of missing CELERY_BIN and CELERY_APP, described in http://celery.readthedocs.org/en/latest/tutorials/daemonizing.html#id11
Added centos celerybeat init script + sysconfig example + simple tests
Adding self to CONTRIBUTORS.txt
Clarify behavior of rate limits in docs
Make empty ResultSet support get()
Cosmetics for #2041
Fixes duplicate nodename warning.  Closes #2046
Worker --detach default workdir is now CWD
Worker --detach with C_FAKEFORK no longer closes open fds.  Closes #2044
Did not log for Ignore and Reject
Events are now transient by default
Stupid zsh is messing with our beloved ksh heritage :chicken:

Closes #2038
Merge pull request #2037 from jonashaag/patch-1

Clarify behavior of rate limits in docs
Task proto2: Custom headers were ignored
Canvas: Makes sure group() in a workflow is not applied as a "celery.group" task
Import print_function in every module using print
flakes
Fix test for working_directory
beat --detached now runs after forkers
Merge pull request #2029 from lpomfrey/add-self-to-contributors

Adding self to CONTRIBUTORS.txt