Merge pull request angular#2435 from angular/stackblitz

chore(): Use Stackblitz template in ISSUE_TEMPLATE.md

Author: NothingEverHappens

CONTRIBUTING.md

@@ -80,8 +80,8 @@ Providing the following information will increase the chances of your issue bein
 * **Angular Version** - what version of Angular, Firebase, and AngularFire are you using?
 * **Motivation for or Use Case** - explain what are you trying to do and why the current behavior is a bug for you
 * **Browsers and Operating System** - is this a problem with all browsers?
-* **Reproduce the Error** - provide a live example (using [Plunker][plunker],
-  [JSFiddle][jsfiddle] or [Runnable][runnable]) or a unambiguous set of steps
+* **Reproduce the Error** - provide a live example (using StackBlitz (https://stackblitz.com/edit/angular-fire-start))
+ or a unambiguous set of steps
 * **Related Issues** - has a similar issue been reported before?
 * **Suggest a Fix** - if you can't fix the bug yourself, perhaps you can point to what might be
   causing the problem (line of code or commit)

ISSUE_TEMPLATE.md

@@ -46,12 +46,12 @@ be fixed in the latest versions. -->
 
 ### How to reproduce these conditions
 
-**Failing test unit, Plunkr, or JSFiddle demonstrating the problem**
+**Failing test unit, Stackblitz demonstrating the problem**
 
 <!-- 
 Provide a failing test unit, or create a minimal, complete, and 
-verifiable example (http://stackoverflow.com/help/mcve) using either 
-Plunker (http://plnkr.co/) or JSFiddle (https://jsfiddle.net/).
+verifiable example (http://stackoverflow.com/help/mcve) using 
+StackBlitz (https://stackblitz.com/edit/angular-fire-start).
 -->
 
 **Steps to set up and reproduce**

README.md

@@ -51,7 +51,7 @@ export class MyApp {
 
 [Contributing](CONTRIBUTING.md)
 
-[Stackblitz Template](https://stackblitz.com/edit/angular-1iment) - Remember to set your Firebase configuration in `app/app.module.ts`.
+[Stackblitz Template](https://stackblitz.com/edit/angular-fire-start) - Remember to set your Firebase configuration in `app/app.module.ts`.
 
 [Upgrading to v6.0? Check out our guide.](docs/version-6-upgrade.md)