git-svn-id: http://piwigo.org/svn/trunk@5196 68402e56-0260-453c-a942-63ccdbb3a9ee
Move mail images. Change image path in mail-css files. Remove local css file for NBM. git-svn-id: http://piwigo.org/svn/trunk@5125 68402e56-0260-453c-a942-63ccdbb3a9ee