LB-1841 New embed is not working on tageswoche site.

Fixed checking of the blog element.
LB-1816 HTML generated by SEO contains references to JS files from nodejs server

Embed now points to the rest server embed.
Configuration changed.
DELETE OLD CONFIGURATION BEFORE.
LB-1816 HTML generated by SEO contains references to JS files from nodejs server

Build for main.js
Merge pull request #206 from nistormihai/master

SEO embed should point to the instance.