Add Japanese translation of Learning Puppet, and a placeholder landing page
Merge pull request #384 from laurenrother/master

Update module_publishing for release based publishing workflow.
Fix link to cfacter README

Link previously pointed to https://docs.puppetlabs.com/puppet/latest/reference/cfacter_readme. Fixes to point to the README on the project's master branch.
[DOCUMENT-206] Updates link to RDOC markup guide
[DOCUMENT-200] Avoid redirects by linking to newest PE download page
Fixed Geppetto Eclipse repository images

These images mistakenly listed the URL as `https://geppetto-updates.puppetlabs.com/4.0`, rather than `https://geppetto-updates.puppetlabs.com/4.x`. The surrounding text was already correct.
Change instructions for non-root agents

Add non-root agents to the `no mcollective` group rather than disable MCollective
Correct formatting
Correct formatting
Added content about Razor client re JIRA ticket Doc-999.
some IA on the external CA doc
DOCUMENT-173: can't use IRB to troubleshoot functions

The custom functions guide recommends using IRB for troubleshooting, but
this apparently hasn't worked since Puppet 3.5 or so. Our Extending
Puppet materials currently don't recommend anything in particular along
similar lines, so for the time being I'm just removing this section.
(DOC-909) Remove HTML comments from markdown source files

Partly due to inconsistent behavior across markdown renderers, and partly due to
the comments often being stale references to work we never got around to doing,
we're gonna declare bankruptcy and get rid of them all. (Except a few useful
ones in the platforms_* include files.)
(DOC-909) Remove several Liquid comments

These didn't seem to be helping us much, so I axed them too.
Make windows module tool CA fix more skimmable
(PUP-3238) Document required keepalive timeout on puppet master
Revert "(MKOPS-512) Promos: Add PuppetConf 2014 promo"

This reverts commit 4aec5ccb8438fd75945b61694601d9b939213938. See you next year!
Add sidebar navigation to Japanese site
Add Japanese navigation to _config.yml
Change file extension to html