ngx-toastr

* update packages, add @angular/animations

* add mob-appearance with webkit-appearance

* attempt to fix travis

* bump packages

* OpaqueToken -> InjectionToken for angular 4

* 4.0 rc2

* add breaking changes and remove animation module from toastr module

* more specific

* upgrade packages

* rc.3

* fix tests

* leave as opaque token so v2 isn't broken right away

* realize 5.0.2 to next branch

* change pink toast transition

* change opacity

* customize toasts further and add a toast show method for custom toasts

* cleanup from merge

* add tests for pink toast

* move to test

* upgrade rc.5

* reorder imports

* upgrade angular cli

* upgrade yarn

* fix typescript

* prepare v5 for master

* coverage setup

* update packages

* fix travis

* update readme

* add comments on toastr config