Foundation role

Foundation doesn't develop the software but support it.
Right links
Added translation at blog page
Added translation tag at article
Merge pull request #47 from gautampanday/feature/article-trans

added translation on article page #6389
Add new section: community

This section contains information about mailing lists and IRC.
Ignore vim swap files
Merge pull request #74 from pilou-/remove_swp_file

Ignore vim swap files
Merge pull request #75 from pilou-/community

Add new section: community
Merge pull request #61 from cedk/patch-3

Foundation role
Merge pull request #64 from cedk/patch-5

Right links
Use circle CI, Goodbye Travis
Merge pull request #77 from sharoonthomas/develop

Use circle CI, Goodbye Travis
Merge pull request #46 from gautampanday/feature/blog-trans

added translation on blog page #6389
Refactored output directory structure and enable relative URLs

* Moved blogs.html to index.html, as by default index.html is used to
  list articles.
* website home page is generated by home.html