Started converting goals.
Refs #4041, removed extra ViewDataTable classes used by Goals Controller.
Merge branch 'master' into datatable_visualization
Unfinished work.
Allow extra query params to be added to ViewDataTable's API request string and remove  modification hack in Goals::getItemsView.
Merge branch 'master' into datatable_visualization
Finished converting Goals controller.
Added missing controller actions.
Fixing some bugs in display.
Fixed another regression in display.