add FAQ by Marc Mutz, delete outdated FAQ
add FAQ by Marc Mutz, delete outdated FAQ

svn path=/trunk/kdenetwork/doc/kmail/; revision=115693

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