In file `/etc/config/ucitrack`
```
config fstab
option exec '/sbin/block mount'
```
`/sbin/block mount` never be called after fstab changed.
Signed-off-by: jjm2473 <1129525450@qq.com>
Ship an /etc/init.d/ucitrack for spawning a virtual service with the sole
purpose to track the configurations and dependencies formerly handled by
luci-reload.
Once all LuCI supported services ship with procd compatible init scripts,
the uci track support can be dropped.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>