Support minification of service and controller.
Support minification of service and controller.

Will close issue #3
CarmelSoftware/AngularJS-Toaster,jianganglu/AngularJS-Toaster,hobbesmedia/AngularJS-Toaster,Stabzs/AngularJS-Toaster,jirikavi/AngularJS-Toaster,deltreey/AngularJS-Toaster,jdforsythe/AngularJS-Toaster,whoadave/angular-bootstrap-toaster,maxdow/AngularJS-Toaster,olasfar/AngularJS-Toaster,kayhadrin/AngularJS-Toaster