Accounts list prettified

OpenPGP-Keychain/src/main/res/layout/api_accounts_adapter_list_item.xml

@@ -2,8 +2,19 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:minHeight="?android:attr/listPreferredItemHeight"
-    android:paddingTop="4dp"
-    android:paddingBottom="4dp">
+    android:gravity="center_vertical"
+    android:singleLine="true"
+    android:orientation="horizontal">
+
+    <ImageView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:paddingLeft="8dp"
+        android:paddingRight="4dp"
+        android:paddingTop="4dp"
+        android:paddingBottom="4dp"
+        android:id="@+id/imageView"
+        android:src="@drawable/ic_action_person" />
 
     <TextView
         android:id="@+id/api_accounts_adapter_item_name"

OpenPGP-Keychain/src/main/res/layout/api_app_settings_activity.xml

@@ -6,7 +6,7 @@
 
     <LinearLayout
         android:layout_width="match_parent"
-        android:layout_height="wrap_content"
+        android:layout_height="match_parent"
         android:padding="16dp"
         android:orientation="vertical">
 
@@ -27,9 +27,7 @@
             android:id="@+id/api_accounts_list_fragment"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
-            android:orientation="vertical"
-            android:paddingLeft="4dp"
-            android:paddingRight="4dp" />
+            android:orientation="vertical" />
 
     </LinearLayout>
 </ScrollView>