Merge remote-tracking branch 'origin/master'

app/src/main/res/drawable/recsys.xml

+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+        android:width="24dp"
+        android:height="24dp"
+        android:viewportWidth="24.0"
+        android:viewportHeight="24.0">
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M6,7h2.5L5,3.5 1.5,7L4,7v10L1.5,17L5,20.5 8.5,17L6,17L6,7zM10,5v2h12L22,5L10,5zM10,19h12v-2L10,17v2zM10,13h12v-2L10,11v2z"/>
+</vector>

app/src/main/res/menu/activity_dashboard_drawer.xml

@@ -10,6 +10,12 @@
             android:id="@+id/nav_dashboard"
             android:icon="@drawable/ic_dashboard_"
             android:title="Dashboard" />
+
+        <item
+            android:id="@+id/nav_recsys"
+            android:icon="@drawable/recsys"
+            android:title="Recommendations" />
+
     </group>
 
     <item android:title="Account">