Allow vault encrypted vars as extra_vars

Forward the vault_password to the yaml file utility.
Fixes #6820 fix erroneous missing vault password error when using the template module
Merge pull request #6585 from eggsby/patch-3

Allow vault encrypted vars as extra_vars
Allow respecification of a node without requiring node_id
Shared module docs for remaining rax modules
Fixes #6857 Make the url parameter required for get_url
Merge pull request #6861 from ericlake/devel

add distribution_major_version to fact gathering
Merge pull request #6864 from sivel/rax-add-shared-mod-docs

Shared module docs for remaining rax modules
Update CHANGELOG.md

update changelog, these weren't major features so move to other section
Update CHANGELOG.md

Include changelog from previous release.
Modified Cron to add AIX Crontab support, changed according to suggestions
from mpdehaan and redone entirely.
Merge pull request #6870 from MorrisA/devel

Modified Cron to add AIX Crontab support
Simplify node matching
Merge branch 'rax-clb-nodes-nodeid' of https://github.com/sivel/ansible into sivel-rax-clb-nodes-nodeid