Merge pull request #11 from tipitnet/test

Fix to chiliproject issue 908
Merge pull request #13 from tipitnet/test

Fix for 6634
Updating the method to remove the reply thread for mails sent using Zimbra Emal client.

We now look for <hr id="zwchr"> and if we don't find that <hr> we proceed with the blockquote as we used to.
Merge pull request #15 from tipitnet/fix-6514

Fix 6514