Provide developers (unit test writers in particular) information about the original button that is being mimicked in the buttonpane.
Merge pull request #4116 from GinkgoFJG/identify-magic-buttons

Provide developers (unit test writers in particular) information about the original button that is being mimicked in the buttonpane.
CRM-15197 - Fixes for WebTest_Contact_InlineFieldsEditTest::testAddAndEditField

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* CRM-15197:
  https://issues.civicrm.org/jira/browse/CRM-15197
Merge pull request #4125 from davecivicrm/CRM-15197d

CRM-15197 - Fixes for WebTest_Contact_InlineFieldsEditTest::testAddAndEd...
whitespace and comments