Rewrap, fix YAML style in news posts
Use shorter summary for Abril Pro 2014 news post
fix bad link to bugs
Merge pull request #618 from tdtds/patch-1

fix bad link to bugs
Small fixes on ruby-core page (it)

Add missing link, fix code indentation, add/remove linebreaks,
remove trailing whitespace.
Small fixes on user-groups page (it)

Fix indentation, remove trailing whitespace.
Fix heading levels on security page (ko)
Small fixes

Rewrap, fix YAML style, remove empty lines and trailing whitespace.
Fix news post author
Fix typo
Fix typo in link
Add rubyconferences.org to conferences page (en)
Small changes on conferences page (en)
Update conferences page (it)
Merge pull request #619 from kennyadsl/update_conferences_page_it

Update conferences page (it)
Unify links to rubyconf.org on conferences page
Fix several typos on conferences page (it)
added logger
use passenger
Improve markdown formatting (installation, downloads)

Isolate common content for better diffs between langs.