EBookBackendKolab: ported old 2.30 code over to 3.3.x
EBookBackendKolab: ported old 2.30 code over to 3.3.x

* fixed the old contacts API code for building
  with 3.3.x
* display of contacts objects works again
* more fixups needed

GNOME/evolution-kolab,GNOME/evolution-kolab