cleanup buildout extensions.
Merge remote-tracking branch 'origin/master' into erp5-component
Version up slapos.core to 1.0.4

  Version down cliff because it cause problems on packaging on old distros.
slapos stack: fix installation of pyOpenSSL (Romain C.)
apache-frontend: Publish url per frontend per slave to access logs

apache-frontend: log access, one per slave

apache-frontend: protect log access with password

apache-frontend: slave publish their log-access-url

apache-frontend: publish all log-access urls

apache-frontend: comment md5 for development

apache-frontend: slapos.recipe.cmmi updated

apache-frontend: fix log access

apache-frontend: specify frontend for the log access

apache-frontend: update md5sum

apache-frontend: update versions
slapos: version up eggs.
Revert "slapos stack: fix installation of pyOpenSSL (Romain C.)"

This reverts commit dcf087b9e4a52d331470e67af35277786aed7960.
version up : pcre 8.35.
version up : MariaDB 10.0.10.
Merge remote-tracking branch 'origin/master' into erp5-component
Merge branch 'erp5-component' into erp5
Freeze ERP5 and slapos