All column headers were receiving the ngSorted style. This is because existing code only tests for the existence of a noSortVisible function. we should be executing the function.
fix angular's dirty handling for elements in an ng-grid (see https://github.com/angular-ui/ng-grid/issues/779)
Merge branch 'ekaufman-master' into 2.0.8
Merge branch 'aggressiveNgSorted' of https://github.com/bradlund/ng-grid into bradlund-aggressiveNgSorted
Merge branch 'bradlund-aggressiveNgSorted' into 2.0.8
Merge branch 'pdemanget-master' into 2.0.8
Merge branche "niceilm-master" into 2.0.8
Merge branch '2.0.8' of https://github.com/angular-ui/ng-grid into 2.0.8