Avoid various memory leaks - Removing window resize handlers on destruction - Stop watching from parent scope on destroy so we can hopefully let go of the grid - Added cleanup to avoid leaking grid through additions to the options object
Avoid various memory leaks
- Removing window resize handlers on destruction
- Stop watching from parent scope on destroy so we can hopefully let go of the grid
- Added cleanup to avoid leaking grid through additions to the options object

Conflicts:
	src/directives/ng-grid.js

FernCreek/ng-grid,FugleMonkey/ng-grid,FugleMonkey/ng-grid,angular-ui/ng-grid-legacy,FernCreek/ng-grid,ppossanzini/ui-grid,angular-ui/ng-grid-legacy,ppossanzini/ui-grid,ppossanzini/ui-grid,FugleMonkey/ng-grid,FernCreek/ng-grid,angular-ui/ng-grid-legacy