WIP: Fixed minor UI issues.

"Confirm swap" background was white but should have been blue.

SwapWorkflowActivity now extends ActionBarActivity instead of
FragmentActivity so older devices have an action bar (though it is
not styled with blue action buttons on android-10 devices).

F-Droid/res/layout/swap_confirm_receive.xml

@@ -5,6 +5,7 @@
         android:orientation="vertical"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
+        android:background="@color/swap_blue"
         android:padding="18dp">
     <!-- Padding is 32px * 0.56 = 18dip -->
 

F-Droid/res/values/styles.xml

@@ -153,8 +153,6 @@
     </style>
 
     <style name="SwapTheme.Wizard.ReceiveSwap" parent="SwapTheme.Wizard">
-        <item name="android:windowNoTitle">true</item>
-        <item name="android:windowFullscreen">true</item>
     </style>
 
     <!--

F-Droid/src/org/fdroid/fdroid/views/swap/SwapWorkflowActivity.java

@@ -10,6 +10,7 @@ import android.os.Bundle;
 import android.support.annotation.LayoutRes;
 import android.support.annotation.NonNull;
 import android.support.v4.app.FragmentActivity;
+import android.support.v7.app.ActionBarActivity;
 import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
@@ -32,7 +33,7 @@ import org.fdroid.fdroid.localrepo.SwapManager;
 
 import java.util.Set;
 
-public class SwapWorkflowActivity extends FragmentActivity {
+public class SwapWorkflowActivity extends ActionBarActivity {
 
     private ViewGroup container;