add support for displayName attribute

displayName often used by various apps and unfortunately it cannot be set with fusiondirectory web interface

(from redmine: issue id 4154, created on 2015-09-24, closed on 2015-10-07)

• Changesets:
  • Revision e10bd238 by Côme Chilliet on 2015-10-07T09:18:10.000Z:

Fixes #4154 Added displayName field to users

• Revision 4246ae60 by Côme Chilliet on 2015-10-07T09:19:17.000Z:

Fixes #4154 Added displayName field to users

• Custom Fields:
  • Bug in version: 1.0.8.9