backport SVN commit 1023092 by winterz from trunk to e35:
backport SVN commit 1023092 by winterz from trunk to e35:

lots of little fixups in the displayview found when working on kolab/issue 3813
MERGE: e4

svn path=/branches/kdepim/enterprise/kdepim/; revision=1023323

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