Add check to ignore (and warn about) files that are mentioned in searchdata.json but do not exist on disk when generating the docset.
blog updates

blog changes

added blog

Work on the blog styles

fixing tags, adding couple posts

First pass of the blog implementation done

Use categories instead of tags in the templates

Finish the blog post layout

Add disqus and style rss link

Remove JSON feed

updating nav

remove _site again

updating initial article