API to handle CandidateList

Admins can create a CandidateList (AreaID must be set !) update the fields Name only

Admins, capturer and visualizer can get the CandidateLists and preload Candidates

changed milestone to %Candidates

assigned to @apoyen

added To Do label

added Backend label

added Doing label and removed To Do label

created branch 31-handle-candidatelist to address this issue

mentioned in merge request !28 (merged)

closed via merge request !28 (merged)

mentioned in commit 255170ec

changed title from Handle CandidateList to API to handle CandidateList

changed the description