Merge pull request #6250 from dagwieers/gather_facts-once

Fix regression causing setup to run for every play
Revert "Merge pull request #6250 from dagwieers/gather_facts-once"

This reverts commit b769b4181a18f36dcdebe6ebb7fed31569f06d75, reversing
changes made to 1e01fb856d964ac3c7bfdbc4cc8da05fb6516769.
Adding a wait loop to ec2_elb for the initial lb state when registering

Fixes #5305
Merge pull request #6196 from softzilla/feature/docker_py_0.3.0_ansible

docker_image: added support for docker_py >= 0.3.0, Docker API >= 1.8. Replace #6178
Merge pull request #6249 from techtonik/patch-1

CHANGELOG.md: remove duplicate entry about docker
Set version to 1.6
Merge branch 'module-cpanm' of git://github.com/franckcuny/ansible into franckcuny-module-cpanm
Update cpanm module to newer module patterns
Update changelog for cpanm
Merge branch 'debconf' of git://github.com/bcoca/ansible into bcoca-debconf
Fix debconf docstring indentation
Add debconf to the changelog
nova_compute: remove ternary statement
Add note about su support
Merge pull request #6256 from angstwad/changes_changes-yo-dawg-i-herd-you-like-changes-so-commited-some-changes-into-changes-so-you-can-diff-while-you-diff

Add note about su support in CHANGELOG
minor typo in playbooks_variables.rst

so so, this should probably be fixed!
Update playbooks_variables.rst

Another minor typo.
Avoid range selection on empty groups

This prevents a traceback when the group is empty.
Fixes #6258
Merge pull request #6259 from arianitu/patch-1

minor typo in playbooks_variables.rst
Update CONTRIBUTING.md

docsite no longer has a subdirectory latest.