I'm also a participant of this campaign, it seems they run already. I dunno the reason is but the twitter account of solar flare which is
https://twitter.com/solarflarecoin is not existing already, it says "user not found" bit their site is working properly.
To those participants of this campaign since it seems OP(
solarflareproject will not coming back may be you can delete the tweets and retweets you made for this campaign, if OP will not give an updates about this issue with in 24 hours.