Initial duplication of PE manual to start on 2.8 docs.
Merge branch 'master' of github.com:puppetlabs/puppet-docs into pe2-8-0

Syncing up before doing 2.8 documentation.
Merge branch 'pe2-7-1' into pe2-8-0

Bringing 2.7.1 stuff into 2.8.0 branch.
Merge branch 'pe2-7-1' into pe2-8-0

Pulling most recent 2.7.1 edits into 2.8.0
Initial groundwork for starting 2.8.0 doc changes and additions.
Merge branch 'master' of github.com:puppetlabs/puppet-docs into pe2-8-0
Refining and writing on AIX stuff, and some stray edits to DG intro.
fix double quotes used for a strong.
Fixing useradd feature documentation

The manages password and manages password age features of useradd were
inaccurately documented.

Support to manage passwords was added for 'useradd' in 0.22.4
Support to manage password ages was added for 'useradd'  in 2.6.2

This change retrofits all documents to reflect the appropriate features at the
time they were introduced
Writing and revision of CVE documentation for PE 2.7.2
WIP: best practices in examples

Bringing release notes over from wiki to docs
Creating a release notes page and supporting nav elements so we can deprecate the wiki release notes.
Changing release notes template to mitigate confusing nav sidebar shifts.
Fixit: Pointing to a better location for later PE release notes.
Merge branch 'master' of github.com:puppetlabs/puppet-docs into pe2.7.2
Added documentation for installer upgrade checking and how to disable it in answer file.
Fixit: Errant markdown in recently imported Puppet 2.7 release notes
Edits and revisions of CVE's based on feedback from Josh C.
Merge branch 'master' of github.com:puppetlabs/puppet-docs into pe2-8-0
Merge branch 'pe2.7.2' into pe2-8-0