minor refactors for recent/up-coming deprecations

app/components/gh-fullscreen-modal.js

@@ -2,7 +2,6 @@ import RSVP from 'rsvp';
 import injectService from 'ember-service/inject';
 import {A as emberA} from 'ember-array/utils';
 import {isBlank} from 'ember-utils';
-import on from 'ember-evented/on';
 import run from 'ember-runloop';
 import {invokeAction} from 'ember-invoke-action';
 import computed from 'ember-computed';
@@ -34,11 +33,11 @@ const FullScreenModalComponent = Component.extend({
         return modalClasses.join(' ');
     }),
 
-    closeDropdowns: on('didInsertElement', function () {
+    didInsertElement() {
         run.schedule('afterRender', this, function () {
             this.get('dropdown').closeDropdowns();
         });
-    }),
+    },
 
     actions: {
         close() {

app/components/gh-profile-image.js

@@ -54,9 +54,9 @@ export default Component.extend({
         }
     },
 
-    didReceiveAttrs(attrs) {
+    didReceiveAttrs() {
         this._super(...arguments);
-        let timeout = parseInt(attrs.newAttrs.throttle || this.get('debounce'));
+        let timeout = parseInt(this.get('throttle') || this.get('debounce'));
         run.debounce(this, 'trySetValidEmail', timeout);
     },
 

app/components/gh-tag-settings-form.js

@@ -2,7 +2,6 @@
 import Component from 'ember-component';
 import Ember from 'ember';
 import computed, {reads} from 'ember-computed';
-import get from 'ember-metal/get';
 import injectService from 'ember-service/inject';
 import {htmlSafe} from 'ember-string';
 
@@ -86,12 +85,17 @@ export default Component.extend({
         return metaDescription;
     }),
 
-    didReceiveAttrs(attrs) {
+    didReceiveAttrs() {
         this._super(...arguments);
 
-        if (get(attrs, 'newAttrs.tag.value.id') !== get(attrs, 'oldAttrs.tag.value.id')) {
+        let oldTagId = this._oldTagId;
+        let newTagId = this.get('tag.id');
+
+        if (newTagId !== oldTagId) {
             this.reset();
         }
+
+        this._oldTagId = newTagId;
     },
 
     reset() {