Improved definitions, added sticky to advanced section and explained the new dismiss method.
Improved definitions, added sticky to advanced section and explained the new dismiss method.

andreipfeiffer/angular-feedback,sping/ng-notify,SHEePYTaGGeRNeP/ng-notify,sping/ng-notify,SHEePYTaGGeRNeP/ng-notify,matowens/ng-notify,matowens/ng-notify