Add stamp documentation
Merge pull request #26 from nlegoff/disclaimer

[3.8] Add a recommandation & disclaimer section for the API
Add 3.8 release notes
Fix build
Admin tree cleanup
use SphinxSearch instead of Sphinx Search
Fix code examples CSS display
Address comments
Address comments
Address comments
Address comments
Revert phrasea engine configuration
Add plugins documentation
Add plugins documentation
Add links
Add links
Fix alignement
Update TWIG repo address
Merge branch '3.7'
Address comments