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
Remove unused if/else clause, since it doesn't change anything
Fix grammar in password
Add integration tests for the win_feature module.
Documents the --step and --start-at options to ansible-playbook. Fixes #9041.
added new 'shuffle' filter
tried to ensure input is always a list but will now be a noop for non
listable items
documented type based behaviour
unchained list coercion as it removed the randomization
adding for loop on list to to handle the return of none when the list is empty. With the previous method if the list was empty the script died. See http://stackoverflow.com/questions/18852324/typeerror-sequence-item-0-expected-string-nonetype-found
Fix os_family and distribution on archlinux

Fixes #8732, ansible/ansible-modules-core#34
added the ability to keep aliased and deprecated modules prefixed with
'_', they will be loaded after non prefixed modules are checked they can
be full modules or symlinks to existing ones (alias)

also updated ansible doc to ignore these, will eventually add selective
display
vars_files haven't been discussed yet

I think this is a chapter ordering thing... vars_files have not actually be explained yet (aside from a mention of them in the note right above, which also might need reconsidering?) I think they do get introduced in the next section 'Variables'.
module formatter skips modules with leading underscore to avoid
documenting them. Soon will be patched to recognize them as either
deprecated or an alias
added info about new deprecated/alias plugin loading
Add the default Homebrew path for OpenSSL certs on OS X
fixed typo
Google: allow for different libcloud provider to support upcoming DNS module