Problem:

The documentation uses `/etc/puppet/hieradata/` in some places and
`/etc/puppet/hiera/` in others. We must choose one or the other.

As a result, many of the examples on this page do not work. To test,
simply run through the examples in order and note that hiera is unable
to find anything including the keys in common.yaml:

```
[root@puppet3 puppet]# cat hiera.yaml

---
:backends:
  - yaml
:yaml:
  :datadir: /etc/puppet/hieradata
:hierarchy:
  - "nodes/%{::fqdn}"
  - "virtual/%{::virtual}"
  - "osfamily/%{osfamily}"
  - common
[root@puppet3 puppet]# ls hiera
common.yaml  nodes  osfamily  virtual
[root@puppet3 puppet]# head hiera/common.yaml
vmwaretools::version: 8.6.5-621624
[root@puppet3 puppet]# service puppetmaster restart
Stopping puppetmaster:                                     [  OK  ]
Starting puppetmaster:                                     [  OK  ]
[root@puppet3 puppet]# hiera vmwaretools::version
nil
[root@puppet3 puppet]#
```

Solution:

Standardize on `/etc/puppet/hieradata/`, since that seems to be the most
common path in the other PuppetDocs documentation. Replace
`/etc/puppet/hiera/` with `/etc/puppet/hieradata`.
Fix typo: /etc/puppet/hiera/nodes changed to /etc/puppet/hiera/node.
Fixes simple typo in 'parser' section
(PDB-729) Prepare documentation source & indexes for PuppetDB 2.1

Signed-off-by: Ken Barber <ken@bob.sh>
Copyedited Geppetto index
Merge pull request #346 from kbarber/ticket/master/pdb-729-prepare-for-release-210

(PDB-729) Prepare documentation source & indexes for PuppetDB 2.1
Merge pull request #344 from stefanlasiewski/master

Pull request to fix Hiera example, per DOCUMENT-125
More copyediting on Geppetto index
Add deprecation note to inventory service guide
Fix typos - mocking and 'would would'.
(DOC-899) correcting drop db instructions
typo
Further copyedits to Geppetto index
(PDB-752) Adjust indexes to reflect that 2.1 is the most current version

Signed-off-by: Ken Barber <ken@bob.sh>
Merge pull request #349 from kbarber/ticket/master/pdb-752-doc-indexes

AWAITING RELEASE: (PDB-752) Adjust indexes to reflect that 2.1 is the most current version
An updated copyedit on Geppetto
Razor known issue for 3.2 added.
Fix broken links in the Custom Facts page
(PUP-2177) Update the example passenger vhost to include improved crypto

See PUP-2177 for the huge discussion thread about these recommendations.
Fix PuppetDB index for new PE 3.3 release

Signed-off-by: Ken Barber <ken@bob.sh>