Update pot and fr_FR translation

git-svn-id: https://plugins.svn.wordpress.org/rendez-vous/trunk@1008119 b8457f37-d9ea-0310-8a92-e5e31aec5664
Update main plugin file

git-svn-id: https://plugins.svn.wordpress.org/rendez-vous/trunk@1008120 b8457f37-d9ea-0310-8a92-e5e31aec5664