LUTECE-1831 improving accessibility optimized form orca (linux screen reader)

Improving accessibility of lutece-core

 .../portal/resources/features_messages.properties  |  1 +
 .../resources/features_messages_fr.properties      |  1 +
 .../portal/resources/search_messages.properties    |  4 ++-
 .../portal/resources/search_messages_fr.properties |  2 ++
 .../portal/resources/site_messages.properties      |  3 +-
 .../portal/resources/site_messages_fr.properties   |  3 +-
 .../portal/resources/system_messages.properties    |  6 +++-
 .../portal/resources/system_messages_fr.properties |  7 +++--
 .../templates/admin/admin_forgot_login.html        |  6 ++--
 .../templates/admin/admin_forgot_password.html     |  6 ++--
 .../templates/admin/admin_form_contact.html        |  4 +--
 webapp/WEB-INF/templates/admin/admin_login.html    |  8 ++---
 .../admin/features/assign_users_right.html         | 12 ++++----
 .../templates/admin/features/create_level.html     |  6 ++--
 .../admin/features/dispatch_features.html          |  6 ++--
 .../templates/admin/features/manage_levels.html    |  4 +--
 .../templates/admin/features/modify_level.html     |  4 +--
 .../templates/admin/group/create_group.html        |  8 ++---
 .../templates/admin/group/manage_groups.html       |  4 +--
 .../templates/admin/group/modify_group.html        |  4 +--
 .../admin/mailinglist/create_mailinglist.html      |  6 ++--
 .../admin/mailinglist/manage_mailinglists.html     | 10 +++----
 .../templates/admin/rbac/assign_users_role.html    | 10 +++----
 .../WEB-INF/templates/admin/rbac/manage_roles.html |  6 ++--
 .../WEB-INF/templates/admin/role/manage_roles.html |  4 +--
 .../admin/search/manage_search_indexation.html     |  6 ++--
 .../WEB-INF/templates/admin/site/admin_page.html   |  6 ++--
 .../admin/site/admin_page_block_property.html      |  4 +--
 webapp/WEB-INF/templates/admin/site/site_map.html  |  6 ++--
 .../WEB-INF/templates/admin/style/create_mode.html | 20 ++++++-------
 .../admin/style/create_page_template.html          |  8 ++---
 .../WEB-INF/templates/admin/style/modify_mode.html | 18 ++++++------
 .../templates/admin/system/manage_caches.html      | 10 +++----
 .../templates/admin/system/manage_daemons.html     | 10 +++----
 .../admin/system/manage_files_system.html          |  6 ++--
 .../templates/admin/system/modify_properties.html  |  4 +--
 .../templates/admin/system/view_files_system.html  |  2 +-
 .../templates/admin/user/advanced_parameters.html  | 10 +++----
 .../admin/user/advanced_security_parameters.html   | 34 +++++++++++-----------
 .../admin/user/attribute/manage_attributes.html    |  8 ++---
 .../WEB-INF/templates/admin/user/create_user.html  | 10 +++----
 .../admin/user/create_user_default_module.html     | 32 ++++++++++----------
 .../admin/user/field_anonymize_admin_user.html     |  6 ++--
 .../templates/admin/user/import_module_user.html   |  8 ++---
 .../WEB-INF/templates/admin/user/manage_users.html |  8 ++---
 .../admin/user/modify_password_default_module.html | 10 +++----
 .../WEB-INF/templates/admin/user/modify_user.html  | 12 ++++----
 .../admin/user/modify_user_default_module.html     | 16 +++++-----
 .../admin/workgroup/assign_users_workgroup.html    | 12 ++++----
 .../admin/workgroup/manage_workgroups.html         |  9 +++---
 .../templates/admin/xsl/manage_xsl_export.html     |  6 ++--
 webapp/jsp/admin/site/AdminSite.jsp                |  4 +--
 52 files changed, 218 insertions(+), 202 deletions(-)