replace %{foo} with content of header foo in pipe through and exec command actions
replace %{foo} with content of header foo in pipe through and exec command actions

svn path=/trunk/kdenetwork/kmail/; revision=196810

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