[WWYC] ARI 1st week of May, SPDX this weekend

[Hrvoje Horvat]

Yep, I knew something was weird and it never happend SPDX and ARI were on
the same weekend. So this weekend SPDX and 1st weekend of May is reserved
for ARI Contest :-)

Thanks to all who corrected me :-)

73 de Hrle - 9A6XX