Refactoring: AbstractBrowserGrid absorbed into TypedTableGrid

...t/web/client/application/ui/ColumnSettingsConfigurer.java

...eric/client/web/client/application/ui/TypedTableGrid.java

...t/web/client/application/ui/grid/AbstractBrowserGrid.java

.../client/application/ui/grid/BrowserGridPagingToolBar.java

...nt/application/ui/grid/CustomColumnsMetadataProvider.java

...ient/web/client/application/ui/grid/ExtendedGridView.java

...t/web/client/application/ui/grid/PendingFetchManager.java

...pplication/ui/widget/AbstractGridDataRefreshCallback.java

...client/application/AuthorizationManagementConsolTest.java

...eric/client/web/client/application/SampleBrowserTest.java

.../client/web/client/application/ui/util/GridTestUtils.java