Before upgrade remove any existing locales

src/freedombone-upgrade

 if [ -d $PROJECT_DIR ]; then
     if [ -f $CONFIGURATION_FILE ]; then
         cd $PROJECT_DIR
+        rm -rf $PROJECT_DIR/locale/*
         git_pull $PROJECT_REPO
         make install
         ${PROJECT_NAME} -c $CONFIGURATION_FILE
 
 # remove the original sipwitch daemon if it exists
 if [ -f /etc/init.d/sipwitch ]; then
-	rm -f /etc/init.d/sipwitch
+    rm -f /etc/init.d/sipwitch
 fi
 
 echo '