make the wizards subdirectory build optional. MERGE: 4.3
make the wizards subdirectory build optional.
MERGE: 4.3

svn path=/trunk/KDE/kdepim/; revision=1063930

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