first draft technical board/code of conduct
Drop Django 1.4 and 1.5 official support
Add dropped support to release notes
typo, minor changes
Restore django-mptt in docs, removed elsewhere
Added list of retired core developers
Fixed "Basic Infos" => "Basic Settings"

This is more consistent with "Advanced Settings". The plural form "Infos" does not read well for native English speakers (it would never be pluralized as "Basic Informations").
Merge pull request #3540 from jsma/typos

Fixed "Basic Infos" => "Basic Settings"
updated locales
Updated historical note
Merge pull request #3526 from evildmp/technical-board

Development of django CMS
Merge pull request #3525 from yakky/feature/drop_1.5

Drop support for Django 1.4 / 1.5
Merge remote-tracking branch 'origin/develop' into sane-add-plugin