Remove top-projects which is now outdated
Translate the-2014-ruby-hero-awards (ko)
Fix missing link(typo)
Merge pull request #635 from mhag/fix_typo

Fix missing link(typo)
Translate latest news (pl)
Typo fix - Polish adjectives start with lowercase (pl)
Update about TIOBE section (pl)
Update Downoloads section (pl)
Fix broken markdown and typo in recent news (pl)
Improve installation page (en)

Shorten by removing some needless information.
Fix typo (de)
Use named link reference for mirrors page
translate ruby hero 2014 news (it)
Merge pull request #632 from alepore/it_rubyhero

translate ruby hero 2014 news (it)
Merge pull request #608 from makimoto/remove-top-projects

Remove top-projects which is now outdated
Move a news post to the right path (zh_tw)
Reword mentions of MRI on about and security page (en)
Merge pull request #638 from stomar/mri

Reword mentions of MRI on about and security page (en)
Merge pull request #627 from marocchino/ko-ruby-hero-awards

Translate the-2014-ruby-hero-awards (ko)
Update about and security page (de)

Reword mentions of MRI/CRuby; add paragraph on members of security ML.