fixes ansible/ansible#3547
Enhance meta-docs on... contributing to docs.

- Update FAQ entry to refer to docsite README and reduce redundancy.

- Add additional info to docsite README: Sphinx building, link to module
  documentation reference.
Merge pull request #3617 from dermute/devel

svr4pkg doesn't work on Sol10
Merge pull request #3619 from ches/doc-fixes

Enhance meta-docs on... contributing to docs.
Add raw copy support (raw=yes), tweak tempfile error message string.
Fixup error reporting.
Fix to group_by module as a result of previous conditional upgrades.
also rename plugin name in error message
use global to fail as its not in self
Signed-off-by: Brian Coca <briancoca+dev@gmail.com>
Merge pull request #3622 from bcoca/fix_the_stat_fix

use global to fail as its not in self
Merge pull request #3621 from sergevanginderachter/rename2flattened

also rename plugin name in error message
Continue on mount errors, don't fail the setup module.
Fix prev feature commit, Do not require aptitude to use apt commands in the apt module, only needed when upgrading.
Merge branch 'devel' of github.com:ansible/ansible into devel
Minor cleanup of YAML Syntax documentation
Merge pull request #3628 from jlund/yaml-syntax

Minor cleanup of YAML Syntax documentation