Make plugin loader path operations more efficient.
Added a 'set_up' and 'tear_down' which are like tasks, but execute before and after roles.
Rename set_up and tear_down to pre_tasks and post_tasks
Add documentation about pre_tasks and post_tasks with roles.
Allow handlers to run in between pre_tasks, roles, tasks, and post_tasks.
Document the new handler flushing system.
Update changelog
Update the release date & code names in the releases file.
Rewrote the precedence docs.
Fix doc formatting error
sysctl check fails if a custom sysctl_file is given.
handlers must be run once

so remove all occurences of each host from the handlers notified by
lists
Merge pull request #2730 from tomkins/devel

sysctl check fails if a custom sysctl_file is given.
Links are the best kinds of instructions

Link people right to this page on Github, so they can click "edit" right there. No need for them to search for the repo, figure out that the docsite isn't a separate repo, and navigate to the given dir.
Nit fix spelling of separate
Merge pull request #2737 from jkleckner/more-spelling

Nit fix spelling of separate
Allow play tagging in context of new meta-tasks.
Merge pull request #2734 from chadoh/patch-2

Documentation: Links are the best kinds of instructions
Merge pull request #2731 from stoned/flush_handlers-cleanup

handlers must be run once
Empty plays should still gather facts