Remove untranslated and total from contribution stats:

Squashed commit of the following:

commit fe3de61aa77aa127e799ded714c3ceaa4023df0d
Author: Alex Eng <aeng@redhat.com>
Date:   Mon Nov 17 13:47:27 2014 +1000

    Modify contribution stats to remove duplication count in single target

commit 617ef8253c0d7d8ebdb4b546e4bdee933c9f88e6
Merge: 1cbf945 d5bf19f
Author: Sean Flanigan <sflaniga@redhat.com>
Date:   Tue Nov 11 16:55:18 2014 +1000

    Merge pull request #632 from zanata/smtp-include-exception

    Include original exception when SMTP send fails