Backport proper showing of message attachments which are quoted printable encoded.
Backport proper showing of message attachments which are quoted
printable encoded.

svn path=/branches/kdepim/proko2/kdepim/; revision=488998

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