docs(operators): modify jsbin example for the correct snapshot

The snapshot that needed to be shown was version 2 and not 1. To solve the issue for Travis (and the
angular-cli not wanting to build) I have also updated the cli to the latest version in package.json

Author: Diedrik De Mits

package.json

@@ -48,7 +48,7 @@
     "zone.js": "0.8.14"
   },
   "devDependencies": {
-    "@angular/cli": "1.6.0",
+    "@angular/cli": "1.6.5",
     "@angular/compiler-cli": "5.1.1",
     "@angular/language-service": "5.1.1",
     "@angular/service-worker": "5.1.1",

src/operator-docs/transformation/bufferTime.ts

@@ -76,7 +76,7 @@ buffered.subscribe(x => console.log(x));
     },
     {
       name:
-        'Every five seconds, emit the click events from the next two seconds',
+        'Every five seconds, emit the click events from a window of the next two seconds',
       code: `
       import { fromEvent } from 'rxjs/observable/fromEvent';
       import { map, bufferTime } from 'rxjs/operators';
@@ -90,7 +90,7 @@ buffered.subscribe(x => console.log(x));
 `,
       externalLink: {
         platform: 'JSBin',
-        url: 'http://jsbin.com/xohupot/1/embed?js,console,output'
+        url: 'http://jsbin.com/xohupot/2/embed?js,console,output'
       }
     }
   ],