THis is a fixup of 4df39d83.

Also copy generated binary to buildout root's bin folder.

* rename enb-output.log to enb-info.log
* add host ID, FPGA version and kernel version in enb-info.log
* keep the 50 latest enb radio logs
* don't let enb-info execeed 500kB, but store up to 100MB of enb-info
  archives
  into another file

This is a fixup of cce1a1c9.

See merge request nexedi/slapos!1650

See merge request nexedi/slapos!1650

Fixup of a3e15fc4.

Before this patch SlapOS users had to manually add SSL files in case WCFS
was used in combination with NEO+SSL. This is bad as we can easily forget
to update local parameter files when updating instance parameters ("_ca",
"_cert" and "_key"). This builds up on nexedi/slapos@706801f2.

/reviewed-by @kirr @jerome
/reviewed-on nexedi/slapos!1620

NEO/go doesn't understand what it should do with these parameters and
raises an error in case they are added to the NEO URI [1].

[1] https://lab.nexedi.com/kirr/neo/-/blob/f1a1bb9d/go/neo/client.go#L551-553

/reviewed-by @kirr @jerome
/reviewed-on nexedi/slapos!1620