Update roundcube to 1.4.0 and enable new skin

webmails/roundcube/Dockerfile

@@ -16,7 +16,7 @@ RUN apt-get update && apt-get install -y \
 # Shared layer between nginx, dovecot, postfix, postgresql, rspamd, unbound, rainloop, roundcube
 RUN pip3 install socrate
 
-ENV ROUNDCUBE_URL https://github.com/roundcube/roundcubemail/releases/download/1.3.10/roundcubemail-1.3.10-complete.tar.gz
+ENV ROUNDCUBE_URL https://github.com/roundcube/roundcubemail/releases/download/1.4.0/roundcubemail-1.4.0-complete.tar.gz
 
 RUN apt-get update && apt-get install -y \
       zlib1g-dev libzip4 libzip-dev \

webmails/roundcube/config.inc.php

@@ -34,6 +34,10 @@ $config['smtp_pass'] = '%p';
 $config['managesieve_host'] = $imap;
 $config['managesieve_usetls'] = false;
 
+// Customization settings
+$config['support_url'] = getenv('WEB_ADMIN') ? '../..' . getenv('WEB_ADMIN') : '';
+$config['product_name'] = 'Mailu Webmail';
+
 // We access the IMAP and SMTP servers locally with internal names, SSL
 // will obviously fail but this sounds better than allowing insecure login
 // from the outter world
@@ -48,7 +52,7 @@ $config['smtp_conn_options'] = $ssl_no_check;
 $config['managesieve_conn_options'] = $ssl_no_check;
 
 // skin name: folder from skins/
-$config['skin'] = 'larry';
+$config['skin'] = 'elastic';
 
 // Enigma gpg plugin
 $config['enigma_pgp_homedir'] = '/data/gpg';