Get-Zone done

Get-Zone is completed; other DNS-related code is coming.
DNS examples v1 are ready

First version of .NET DNS-related sample code are ready.
Moved Create Provider method

Moved the Create Provider method to the authentication sample and
removed that step from the other samples.
Removing test post.
Fixing malformed links in blog posts.
Moving /img into jekyll-assets
Adding sources path for prod/stage
Fixing up image paths for asset_path
Use ERB to inject asset paths into Less variables.
Install node.js on the Jenkins host.
Install templated configuration files.
Specify source directory in cdn-publish configs.
Port CDN publisher script from @kenperkins' gist.
Static assets are in _site/assets.
Adding support for node-walk in lieu of home grown code
Disabling GZIP cache for jekyll-assets

- Fixes #517
Create and CDN-enable Cloud Files containers.
MAX TTL
@rdodev's names were cooler.
Import vault secrets for the Jenkins box.