Disable 'Create Contact Group' action if current collection doesn't support the storage of contact groups.
Disable 'Create Contact Group' action if current collection
doesn't support the storage of contact groups.

svn path=/branches/KDE/4.4/kdepim/; revision=1076693

lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi,lefou/kdepim-noakonadi