AG-459 - enabled filtering on auto group column when 'enableFilter' is set when using Tree Data.
AG-459 - enabled filtering on auto group column when 'enableFilter' is set when using Tree Data.

ceolter/angular-grid,seanlandsman/ag-grid,ceolter/angular-grid,seanlandsman/ag-grid,seanlandsman/ag-grid,ceolter/ag-grid,ceolter/ag-grid