worked on CRM-12235, added missing feature of inline edit for multi-value custom data

----------------------------------------
* CRM-12235: Inline edit of multi-record custom fields broken
  http://issues.civicrm.org/jira/browse/CRM-12235
Merge pull request #439 from kurund/CRM-12235

worked on CRM-12235, added missing feature of inline edit for multi-valu...