v0.3.0

• KevinBLT contributed the following improvements and features:
  • Check out the experimental DKIM signing of messages.
  • Enjoy the improved the performance of QuotedPrintable encoding.
  • BCC header is now stripped from messages before sending them via SMTP
• A.Zulli contributed major IMAP features in this release:
  • Sort messages with ImapClient.sortMessages(...) SORT - and also use the extended sort mechanism with specifying returnOptions on servers with ESORT.
  • ImapClient.searchMessages(...) now accepts List<ReturnOption> parameter for extending the search according to the ESEARCH standard.
  • Support PARTIAL responses according to the CONTEXT IMAP extension.
  • Use the LIST extensions:
    • rfc5258: LIST command extensions
    • rfc5819: return STATUS in extended lists
    • rfc6154: SPECIAL-USE mailboxes
• Alexander Sotnikov fixed POP3 so that you can now use the PopClient as intended.
• SMTP improvements:
  • You can now send messages via the SMTP BDAT command using SmtpClient.sendChunkedMessage() / sendChunkedMessageData() / sendChunkedMessageText().
  • You don't require a MimeMessage to send any more when you send messages either via SmtpClient.sendMessageData() or SmtpClient.sendMessageText().
• MessageBuilder / MIME generation improvements:
  • Attachments are now also added when forrwarding a message without quoting in MessageBuilder.prepareForwardMessage().
  • You can now also prepend parts by setting insert to true when calling addPart().
• Other improvements and bugfixes:
  • Remove some dependencies and relax constraints on some so that we all get quicker through the null-safety challenge.
  • Fixed decoding of 8bit messages that use a different charset than UTF8
  • Fixed header decoding in some edge cases
  • Some fixes in parsing personal names in email addresses
  • Support Chinese encodings GBK and GB-2312
  • Improve reconnecting when using the high level API
  • Only download the ENVELOPE information when a new mail is detected in high level API
• Breaking changes:
  • MessageBuilder.replyToMessage is renamed to MessageBuilder.originalMessage