Replace microblog domain name

src/freedombone

 GNUSOCIAL_COMMIT='94392ab00ceefec6105ac7d6e6846fb644bbd0f1'
 MICROBLOG_THEME_REPO="https://git.gnu.io/h2p/Qvitter.git"
 MICROBLOG_THEME_COMMIT='8abbdeb3c0a6a34754411452ae832d2f19cef7ab'
-MICROBLOG_WELCOME_MESSAGE=$"<h1>Welcome to ${MICROBLOG_DOMAIN_NAME} – a federated microblog</h1><p>Another Freedombone site</p>"
+MICROBLOG_WELCOME_MESSAGE=$'<h1>Welcome to $MICROBLOG_DOMAIN_NAME – a federated microblog</h1><p>Another Freedombone site</p>'
 
 # Domain name for hubzilla installation
 HUBZILLA_DOMAIN_NAME=
 
     microblog_config_file=/var/www/$MICROBLOG_DOMAIN_NAME/htdocs/config.php
     if ! grep -q "addPlugin('Qvitter')" $microblog_config_file; then
+        MICROBLOG_WELCOME_MESSAGE=$(echo $MICROBLOG_WELCOME_MESSAGE | sed 's|\$MICROBLOG_DOMAIN_NAME|$MICROBLOG_DOMAIN_NAME|g')
         echo "" >> $microblog_config_file
         echo "// Qvitter settings" >> $microblog_config_file
         echo "addPlugin('Qvitter');" >> $microblog_config_file