New publication_fairshare script
New publication_fairshare script

 - using not only users but also groups (perun resources)
 - using new attribute fairshareGroupName
 - users can be in groups or not
 - duplicits of same users or groups are not allowed, die if happens
 - UID of users and groups must be unique number, but can be dynamic
 - users under groups have always weight 1
 - group has weight of all members * 1 + all weights of unique
   publications

CESNET/perun-services,sustr4/perun-services,Laliska/perun-services,stavamichal/perun-services,sustr4/perun-services,Laliska/perun-services,frhrdina/perun-services,sustr4/perun-services,zlamalp/perun-services,stavamichal/perun-services,CESNET/perun-services,Laliska/perun-services,stavamichal/perun-services,CESNET/perun-services,stavamichal/perun-services,zlamalp/perun-services,sustr4/perun-services,zlamalp/perun-services,frhrdina/perun-services,frhrdina/perun-services,zlamalp/perun-services,CESNET/perun-services,Laliska/perun-services,frhrdina/perun-services