Keep database running during backup and restore

src/freedombone-backup-local

         if [ ! -d $temp_backup_dir ]; then
             mkdir $temp_backup_dir
         fi
+        keep_database_running
         mysqldump --lock-tables --password="$DATABASE_PASSWORD" mysql user > $temp_backup_dir/mysql.sql
         if [ ! -s $temp_backup_dir/mysql.sql ]; then
             echo $"Unable to backup mysql settings"

src/freedombone-backup-remote

         if [ ! -d $temp_backup_dir ]; then
             mkdir $temp_backup_dir
         fi
+        keep_database_running
         mysqldump --password=$DATABASE_PASSWORD mysql user > $temp_backup_dir/mysql.sql
         if [ ! -s $temp_backup_dir/mysql.sql ]; then
             echo $"Unable to backup MariaDB settings"

src/freedombone-restore-local

 
     if [ -d $USB_MOUNT/backup/mariadb ]; then
         echo $"Restoring mysql settings"
+        keep_database_running
         temp_restore_dir=/root/tempmariadb
         restore_directory_from_usb $temp_restore_dir mariadb
         echo $'Obtaining MariaDB password'