IIP-2: Change the time of validation ceremony

[midenaio]

Change the time of validation ceremony from 13:30 UTC to 15:00 UTC

Read more details here.

[teavar]

I don't think that's a good idea, most people start or finish working at hh:00. imho a more inclusive/correct time would be hh:30

[teavar]

also I think that iips should be voted on separately, not bundled up like in the upcoming jarrett fork