Replace u2f.png and update (c) (#1148)

COPYING

@@ -82,6 +82,11 @@ Comment: downloaded from
  .
  Author is unknown and license may be W3C or public-domain
 
+Files: lemonldap-ng-portal/site/htdocs/static/bootstrap/u2f.png
+Copyright: Bautsch <https://commons.wikimedia.org/wiki/User:Bautsch>
+License: CC0-1.0
+Comment: dowloaded from http://commons.wikimedia.org
+
 Files: lemonldap-ng-portal/site/htdocs/static/common/backgrounds/*
 Copyright: Various artists
 License: CC-BY-NC-ND-3.0 or GFDL-1.3
@@ -176,6 +181,14 @@ License: Apache-2.0
  The complete text of the Apache License 2.0 can be
  found in http://www.apache.org/licenses/LICENSE-2.0
 
+License: CC0-1.0
+ To the extent possible under law, the author(s) have dedicated all copyright
+ and related and neighboring rights to this software to the public domain
+ worldwide. This software is distributed without any warranty.
+ .
+ You should have received a copy of the CC0 Public Domain Dedication along with
+ this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+
 License: CC-3
  CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE LEGAL
  SERVICES. DISTRIBUTION OF THIS LICENSE DOES NOT CREATE AN ATTORNEY-CLIENT

debian/copyright

@@ -82,6 +82,11 @@ Comment: downloaded from
  .
  Author is unknown and license may be W3C or public-domain
 
+Files: lemonldap-ng-portal/site/htdocs/static/bootstrap/u2f.png
+Copyright: Bautsch <https://commons.wikimedia.org/wiki/User:Bautsch>
+License: CC0-1.0
+Comment: dowloaded from http://commons.wikimedia.org
+
 Files: lemonldap-ng-portal/site/htdocs/static/common/backgrounds/*
 Copyright: Various artists
 License: CC-BY-NC-ND-3.0 or GFDL-1.3
@@ -176,6 +181,17 @@ License: Apache-2.0
  On Debian systems, the complete text of the Apache License 2.0 can be
  found in "/usr/share/common-licenses/Apache-2.0"
 
+License: CC0-1.0
+ To the extent possible under law, the author(s) have dedicated all copyright
+ and related and neighboring rights to this software to the public domain
+ worldwide. This software is distributed without any warranty.
+ .
+ You should have received a copy of the CC0 Public Domain Dedication along with
+ this software. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>.
+ .
+ On Debian systems, the complete text of the CC0 1.0 Universal license can be
+ found in ‘/usr/share/common-licenses/CC0-1.0’.
+
 License: CC-3
  CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE LEGAL
  SERVICES. DISTRIBUTION OF THIS LICENSE DOES NOT CREATE AN ATTORNEY-CLIENT