Readd summary displaying of the new mails in all accounts.
Readd summary displaying of the new mails in all accounts.

svn path=/trunk/kdenetwork/kmail/; revision=173221

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