am 8e8ee1fd: am 879664e3: Adding columns to support attribution of status updates.  Also renaming some columns to better describe their purpose.

Merge commit '8e8ee1fd722f6f0af818e31c7bcaa0eece125ded'

* commit '8e8ee1fd722f6f0af818e31c7bcaa0eece125ded':
  Adding columns to support attribution of status updates.  Also renaming some columns to better describe their purpose.