Lower case sip

src/freedombone-app-sip

 
 function get_sip_server_password {
     if [ -f /home/$MY_USERNAME/README ]; then
-        if grep -q "SIP server password" /home/$MY_USERNAME/README; then
+        if grep -q "sip server password" /home/$MY_USERNAME/README; then
             if [ ! $SIP_SERVER_PASSWORD ]; then
-                SIP_SERVER_PASSWORD=$(cat /home/$MY_USERNAME/README | grep "SIP server password" | awk -F ':' '{print $2}' | sed 's/^ *//')
+                SIP_SERVER_PASSWORD=$(cat /home/$MY_USERNAME/README | grep "sip server password" | awk -F ':' '{print $2}' | sed 's/^ *//')
             fi
         fi
     fi

src/freedombone-utils-upgrade

     sed -i 's|XMPP|xmpp|g' $COMPLETION_FILE
     sed -i 's|voip|mumble|g' $COMPLETION_FILE
     sed -i 's|VoIP|mumble|g' $COMPLETION_FILE
+    sed -i 's|SIP|sip|g' $COMPLETION_FILE
 
     if [ -f /usr/local/bin/zeronetavahi ]; then
         rm /usr/local/bin/zeronetavahi