Merge branch 'develop'

Author: junpls

src/app/graph-view/graph-view-page/graph-view-page.component.css

@@ -24,4 +24,8 @@
 
 .memberList li {
     direction: ltr;
+}
+
+md-icon {
+    font-size: 15px;
 }

src/app/graph-view/graph-view-page/graph-view-page.component.html

@@ -15,8 +15,8 @@
         Help
       </mat-expansion-panel-header>
       <ul>
-        <li><span style="font-weight: bold">🗨</span> selected / 🗨 deselected</li>
-        <li><span style="color: green">🗨</span> rated positively / <span style="color: rgb(255, 0, 0)">🗨</span> rated negatively</li>
+        <li><md-icon style="font-weight: bold">chat_bubble_outline</md-icon> selected / <md-icon>chat_bubble_outline</md-icon> deselected</li>
+        <li><md-icon style="color: green">chat_bubble_outline</md-icon> rated positively / <md-icon style="color: rgb(255, 0, 0)">chat_bubble_outline</md-icon> rated negatively</li>
         <li><span style="font-weight: bold">>>></span> follow-up question</li>
         <li><span style="font-weight: bold">――</span> related question</li>
       </ul>
@@ -35,7 +35,7 @@
 </div>
 <div #below>
   <md-radio-group *ngIf="!subscriptionInProgress"
-    fxLayout="row" fxLayoutGap="20px" [(ngModel)]="interactionMode">
+    fxLayout="row" fxLayoutGap="20px" fxLayoutWrap [(ngModel)]="interactionMode">
     <md-radio-button color="primary" *ngFor="let m of getInteractionModes()" [value]="m">
       {{getInteractionModeLabel(m)}}
     </md-radio-button>

src/app/graph-view/graph-view-page/graph-view-page.component.ts

@@ -25,7 +25,7 @@ export class GraphViewPageComponent implements OnInit, OnDestroy {
   private queryParamSubscription: Subscription;
   private spaceId = '1';
   private selectedQuestions;
-  private spaceMembers = [];
+  protected spaceMembers = [];
 
   private adjustSize() {
     this.height = (window.innerHeight

src/app/graph-view/graph-view.module.ts

@@ -6,7 +6,7 @@ import {D3Service} from 'd3-ng2-service';
 import {GraphViewPageComponent} from './graph-view-page/graph-view-page.component';
 import {
   MdButtonModule, MdDialogModule, MdFormFieldModule, MdInputModule, MdProgressSpinnerModule,
-  MdRadioModule, MdSnackBarModule
+  MdRadioModule, MdSnackBarModule, MdIconModule
 } from '@angular/material';
 import {FormsModule} from '@angular/forms';
 import {GraphViewService} from './graph-view/graph-view.service';
@@ -29,6 +29,7 @@ import {VoteDialogComponent} from './vote-dialog/vote-dialog.component';
     FormsModule,
     FlexLayoutModule,
     SharedModule,
+    MdIconModule,
     MatExpansionModule
   ],
   schemas: [CUSTOM_ELEMENTS_SCHEMA],