add schema.org markup to most of the pages

[Viktor Nagy]

• http://schema.org/docs/gs.html
• http://schema.org/LocalBusiness

extend the django-cms Page model with necessary info / create plugins for these / modify the templates to reuse existing data

[Viktor Nagy]

http://schema.org/Book

[Viktor Nagy]

http://schema.org/Blog

[Viktor Nagy]

http://schema.org/WebPage