Merge branch 'hotfix/logos'
Created downloads and release post
Created new secuirty announcements

- ZF2013-01
- ZF2013-02
- ZF2013-03
Updated home page
Updated changelogs
Updated reporter name
Fix closing code tag
Added 2.0.8 changelog link
Fix typo

- What you did
Use relative links for advisories
Fix typo
Compiled blog
Update documentation versions
Merge branch 'releases/2.1.4' into develop

2.1.4, 2.0.8, and 1.12.3 releases