Update to domoticz spk&cross (rev 1853)

Boost patch did not seem to be necessary anymore, so removed
updates to Makefiles/PLIST of cross and spk for rev 1801
dsm-control.sh updated to correctly start/stop/status domoticz
installer.sh updated to create a /var directory
Hi Diaoul,

I see I have not extensively tested my accepted version of the package. After changing to:
GROUP="nogroup"
when installing the package, the user domoticz is not created. Hence the service cannot start. (When upgrading the package from an earlier version the user did not have to be created, so I didn't find this while testing by upgrading the package).

Are you sure GROUP="nogroup" is correct? When searching through the repository, I see some other packages have "nobody" but I couldn't find any package with "nogroup".

Thanks,
Jorik