Address review issues

briar-android/res/layout/fragment_blog_post.xml

@@ -20,6 +20,13 @@
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"/>
 
+		<ProgressBar
+			android:id="@+id/progressBar"
+			style="?android:attr/progressBarStyleLarge"
+			android:layout_width="wrap_content"
+			android:layout_height="wrap_content"
+			android:layout_gravity="center"/>
+
 	</FrameLayout>
 
 </ScrollView>

briar-android/res/layout/fragment_blog_post_pager.xml

@@ -1,6 +1,20 @@
 <?xml version="1.0" encoding="utf-8"?>
-<android.support.v4.view.ViewPager
-	android:id="@+id/pager"
+<FrameLayout
 	xmlns:android="http://schemas.android.com/apk/res/android"
 	android:layout_width="match_parent"
-	android:layout_height="match_parent"/>
+	android:layout_height="match_parent">
+
+	<android.support.v4.view.ViewPager
+		android:id="@+id/pager"
+		xmlns:android="http://schemas.android.com/apk/res/android"
+		android:layout_width="match_parent"
+		android:layout_height="match_parent"/>
+
+	<ProgressBar
+		android:id="@+id/progressBar"
+		style="?android:attr/progressBarStyleLarge"
+		android:layout_width="wrap_content"
+		android:layout_height="wrap_content"
+		android:layout_gravity="center"/>
+
+</FrameLayout>

briar-android/res/values/strings.xml

@@ -73,6 +73,7 @@
 	<string name="offline">Offline</string>
 	<string name="send">Send</string>
 	<string name="no_data">No data</string>
+	<string name="ellipsis">…</string>
 
 	<!-- Contacts and Private Conversations-->
 	<string name="no_contacts">It seems that you are new here and have no contacts yet.\n\nTap the + icon at the top and follow the instructions to add some friends to your list.\n\nPlease remember: You can only add new contacts face-to-face to prevent anyone from impersonating you or reading your messages in the future.</string>