Merge pull request #146 from Eric-Brison/3.2-R4273

review some actions
review security
Suppress old files and add some info in the README
Relecture Contents/Actions_zones/ref/{actions,zone}
Merge pull request #147 from cbonnissent/reviewSecurity

review security
Merge pull request #148 from cbonnissent/cleanFiles

Clean files
Merge pull request #149 from eguaj/3.2-relecture-actions-zones-ref

Relecture Contents/Actions_zones/ref/{actions,zone}
update histo