Set some icecast parameters

src/freedombone-app-icecast

 ICECAST_LOGIN_TEXT=$"Icecast login"
 
 icecast_variables=(MY_USERNAME
+                   MY_EMAIL_ADDRESS
                    ONION_ONLY
                    ICECAST_DOMAIN_NAME
                    ICECAST_CODE
         /etc/icecast2/icecast.xml
 
     sed -i "s|<port>.*|<port>$ICECAST_PORT</port>|g" /etc/icecast2/icecast.xml
+    sed -i "s|<admin-user>.*|<admin-user>$MY_USERNAME</admin-user>|g" /etc/icecast2/icecast.xml
+    sed -i "s|<admin>.*|<admin>$MY_EMAIL_ADDRESS</admin>|g" /etc/icecast2/icecast.xml
+    sed -i "s|<location>.*|<location>The Interwebs</location>|g" /etc/icecast2/icecast.xml
 
     if [ ! -d /var/www/icecast/htdocs ]; then
         mkdir -p /var/www/icecast/htdocs