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
Fix typo for the word "maintaining"
Merge pull request #9778 from heydonovan/fix-typo-maintaining

Fix typo for the word "maintaining"
Variables lookup in a template should handle properly the undefined case
Merge pull request #9793 from nremond/devel

Variables lookup in a template should handle properly the undefined case
Merge pull request #9375 from mantiz/fix-osfamily-and-distribution-on-archlinux

Fix os_family and distribution on archlinux
Update the core modules to pull in some fixes
Added distribution facts for OpenSuse
members of a list must start with ``- ``
in key/value pairs, whitespace is needed after the colon
making the whitespace expicity in dict
minor
Merge pull request #9815 from axiaoxin/devel

members of a list must start with ``- ``
Added distribution facts for OpenSuse
Merge pull request #9440 from Jmainguy/opensuse_distro

Fixes distribution in facts for openSuSE. Used https://github.com/ansibl...
Merge pull request #7306 from abadger/feature/egg-info

Feature/egg info