Update toaster.js
Update toaster.js

Added:
 - option to add body template
Stabzs/AngularJS-Toaster,olasfar/AngularJS-Toaster,whoadave/angular-bootstrap-toaster,CarmelSoftware/AngularJS-Toaster,maxdow/AngularJS-Toaster,jdforsythe/AngularJS-Toaster,jianganglu/AngularJS-Toaster,deltreey/AngularJS-Toaster,jirikavi/AngularJS-Toaster,kayhadrin/AngularJS-Toaster,hobbesmedia/AngularJS-Toaster