Warn when a slug with no matching page is found.
Avoid redirecting when html file with the same path exists.
Merge pull request #1 from telerik/warn-for-missing-slug

Warn when a slug with no matching page is found.
Update README.md
Update README.md
Update markdown extension
Update README.md
Update README.md
Remove index.md
Handle directories without pages.
Ignore pages with publish: false
Allow text replacements in the front matter.
Ensure json mimetype is not present in web.config.

There are cases that the json mimetype is already added in the IIS mimetypes. Make sure it is removed before registering our own mimetype.
Disable gfm line-ending handling in order to avoid unwanted <br>
Merge pull request #2 from telerik/ensure-config-json-mimetype

Ensure JSON mimetype is not present in any parent config.
Use design of platform docs
Fix footer styles
Customize platform header through config
Remove kendo-related blockquote styles
Remove auto h1 and api TOC insertion.