Merge branch 'dev' of github.com:Ircam-Web/Mezzo into dev

diff --cc lib/mezzanine-organization-themes
index fad74f440d77060d0d6a3a788dc9347c52a8ffda,eb2736190eca5b43878fe66136712e999004cc5b..ca9b0d26084fa5257b4296030ef695cbf8e6c53f
--- 1/lib/mezzanine-organization-themes
--- 2/lib/mezzanine-organization-themes
+++ b/lib/mezzanine-organization-themes
@@@ -1,1 -1,1 +1,1 @@@
- Subproject commit fad74f440d77060d0d6a3a788dc9347c52a8ffda
 -Subproject commit eb2736190eca5b43878fe66136712e999004cc5b
++Subproject commit ca9b0d26084fa5257b4296030ef695cbf8e6c53f