message: Vote power calculation fix
  Vote power should be equal to last vote power plus regenerated from latest vote, but not to exceed account social power. That's why we should take *min* but not *max*
diff: @@ -93,7 +93,7 @@ void apply_social_vote() {
  static Account account;
  Db::get( "account", account );
  auto abs_vote = abs(vote.vote_power);
  - account.vote_power = max( account.social_power,
  + account.vote_power = min( account.social_power,
  account.vote_power + (account.social_power * (now()-last_vote)) / days(7));
  assert( abs_vote <= account.vote_power, "insufficient vote power" );
  post.votes += vote.vote_power;
  