- Fix ObjectTreeParser::processMultiPartMixedSubtype. We must only ignore the plain text part of an multipart/mixed message part if the vCal or TNEF part could be processed. Otherwise the text of a message with a non-special vCal (or TNEF) attachment wouldn't be displayed. - Only return true in ObjectTreeParser::processApplicationMsTnefSubtype if the attachment could really be processed.
- Fix ObjectTreeParser::processMultiPartMixedSubtype. We must only ignore the plain text part of an multipart/mixed message part if the vCal or TNEF part could be processed. Otherwise the text of a message with a non-special vCal (or TNEF) attachment wouldn't be displayed.
- Only return true in ObjectTreeParser::processApplicationMsTnefSubtype if the attachment could really be processed.

svn path=/trunk/kdepim/; revision=256294

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