Refactor routes

* Add specific dashboard route
* Port application route to Octane
* Fetch/sync contributors in application route, but only sync
  contributions in dashboard route for now

app/routes/application.js

@@ -1,39 +1,35 @@
-import { inject as service } from '@ember/service';
 import Route from '@ember/routing/route';
+import { inject as service } from '@ember/service';
 import { schedule } from '@ember/runloop';
 
-export default Route.extend({
-  kredits: service(),
+export default class ApplicationRoute extends Route {
+
+  @service kredits;
 
   beforeModel(/* transition */) {
     const kredits = this.kredits;
 
     return kredits.setup().then(() => {
-      kredits.get('kredits').preflightChecks().catch((error) => {
+      kredits.kredits.preflightChecks().catch((error) => {
         console.error('Kredits preflight check failed!');
         console.error(error);
       });
     }).catch((error) => {
       console.log('Error initializing Kredits', error);
     });
-  },
+  }
+
+  model() {
+    return this.kredits.loadInitialData().then(() => {
+      this.kredits.addContractEventHandlers()
+    });
+  }
 
   afterModel() {
-    return this.kredits.loadInitialData()
-      .then(() => {
-        this.kredits.addContractEventHandlers();
-      })
-      .then(() => {
-        if (this.kredits.contributorsNeedSync) {
-          schedule('afterRender', this.kredits.syncContributors,
-                   this.kredits.syncContributors.perform);
-        }
-        if (this.kredits.contributionsNeedSync) {
-          schedule('afterRender', this.kredits.syncContributions,
-                   this.kredits.syncContributions.perform);
-        }
-        schedule('afterRender', this.kredits.fetchMissingContributions,
-                 this.kredits.fetchMissingContributions.perform);
-      });
+    if (this.kredits.contributorsNeedSync) {
+      schedule('afterRender', this.kredits.syncContributors,
+        this.kredits.syncContributors.perform);
+    }
   }
-});
+
+}