Merge branch 'develop' into 'master'

CONTRIBUTING.md

INSTALL.TXT

README.md

apps/maarch_entreprise/actions/close_mail.php

apps/maarch_entreprise/actions/index_mlb.php

apps/maarch_entreprise/actions/process.php

...maarch_entreprise/actions/sendToExternalSignatureBook.php

apps/maarch_entreprise/actions/validate_mail.php

...se/admin/contacts/contact_addresses/contact_addresses.php

...min/contacts/contact_addresses/contact_addresses_list.php

...rise/admin/contacts/contact_purposes/contact_purposes.php

...entreprise/admin/contacts/contact_types/contact_types.php

..._entreprise/admin/contacts/contacts_v2/contacts_v2_up.php

.../maarch_entreprise/class/class_multicontacts_Abstract.php

apps/maarch_entreprise/css/styles.css

apps/maarch_entreprise/definition_mail_categories.php

apps/maarch_entreprise/documents_list_copies.php

apps/maarch_entreprise/documents_list_with_attachments.php

apps/maarch_entreprise/index.php

apps/maarch_entreprise/indexing_searching/addresses_list.php