Speed up the listing of jobset evals by caching some info in the DB

Dependencies

• [2] D5QIOJGP * Move everything up one directory.

Change contents

• file addition: upgrade-7.sql (----------)
  [2.3004]
  + alter table JobsetEvals

  + add column nrBuilds integer,

  + add column nrSucceeded integer;

  +

  + update JobsetEvals e set

  + nrBuilds = (select count(*) from JobsetEvalMembers m where e.id = m.eval)

  + where hasNewBuilds = 1;