CRM-14286 - Contact mailings tab should show opens and clicks for curren...

...tly viewed contact. This commit cannot be backported to 4.3 without adjustment  since CRM_Mailing_BAO_Job has been renamed to CRM_Mailing_BAO_MailingJob as of 4.4.

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* CRM-14286: Contact Mailings tab selector should show Open and Click activity specfic to the currently viewed contact
  http://issues.civicrm.org/jira/browse/CRM-14286