Merge pull request #21 from 28msec/blog

Add metadata
Merge pull request #22 from 28msec/blog

Add sitemap
Merge branch 'blog'
Merge pull request #23 from 28msec/blog

Minor improvements
Merge pull request #24 from 28msec/blog

SEO improvements
Merge pull request #25 from 28msec/blog

Minor improvements
Add try on crawling
Minor fix
Fix build
Bug fix
Bug fix
bug fix
bug fix
bug fix
bug fix
bug fix
bug fix
Add missing page
Add sitemap generation