Document static groups of dynamic groups

Document how to create static groups with dynamic child groups
Teach env-setup how to create egg-info for ansible so that pkg_resources works
Restore the pkg_resources calls so that we pull in the correct pycrypto on RHEL6
Add integration tests for the win_feature module.
Fix os_family and distribution on archlinux

Fixes #8732, ansible/ansible-modules-core#34
typofixes - https://github.com/vlajos/misspell_fixer
Fix for delegate_to with hosts that aren't in inventory
Docfix: running background tasks without polling

Fix the example in the doc to explicitly set the poll interval to zero so the
job doesn't poll.

To run a background task without polling, you need to set the poll interval to
zero. However, Ansible's default poll setting is 15 seconds, so not specifying the poll
interval will cause a background job to poll.
Fix template module to fail if remote checksumming failed
Fix remote_checksum with delegate_to and add tests for several ways that delegate_to works
Fix comment
file does not exist is not an error when checksumming for the template modules
Disable automatic running of test_delegate_to with an explanation of what it would take to set this up in our automated test systems
Merge pull request #9720 from vlajos/typofixes-vlajos-20141204

typofixes - https://github.com/vlajos/misspell_fixer
Merge pull request #9737 from lorin/doc-nopoll

Docfix: running background tasks without polling
updated submodule refs
Docfix: checking a background task

Minor changes to wording on how to check a background task with async_status.

Fixes #9740
Add missing connection and header
Update the extras submodules to latest
Update core modules