Bumped expiry date to 1 Feb 2016.

briar-android/src/org/briarproject/android/SplashScreenActivity.java

@@ -35,8 +35,8 @@ public class SplashScreenActivity extends RoboSplashActivity {
 	private static final Logger LOG =
 			Logger.getLogger(SplashScreenActivity.class.getName());
 
-	// This build expires on 1 Jan 2016
-	private static final long EXPIRY_DATE = 1451606400 * 1000L;
+	// This build expires on 1 Feb 2016
+	private static final long EXPIRY_DATE = 1454284800 * 1000L;
 
 	private long now = System.currentTimeMillis();