- Subject may, on some occasions, be empty. Suppress warnings - Add getter and setter for mime version attribute "mimever" - Add mime version as a default header. Some clients cannot cope with   multipart mails when there is no mime version header
- Subject may, on some occasions, be empty. Suppress warnings
- Add getter and setter for mime version attribute "mimever"
- Add mime version as a default header. Some clients cannot cope with
  multipart mails when there is no mime version header


git-svn-id: 526f3b90ad6d9b1dfe840af828070ca3d99521ac@1849 d2cacbed-c0f6-0310-851a-9dad52fc623a

johannes85/core