move up to libMini-8.6:    use minicache::attach(minitile) instead of outdated minicache::setcallbacks(minitile,...)    fix deletion of minicache in case it is not used
move up to libMini-8.6:
   use minicache::attach(minitile) instead of outdated minicache::setcallbacks(minitile,...)
   fix deletion of minicache in case it is not used

nakijun/vtp,nakijun/vtp,nakijun/vtp,nakijun/vtp,nakijun/vtp