Merge branch 'master' into github-master

Author: Mark Ha

sdk/src/com/appnexus/opensdk/utils/Settings.java

@@ -34,7 +34,7 @@ public class Settings {
     public boolean test_mode = false;
     public String ua = null;
     public boolean first_launch;
-    public final String sdkVersion = "1.7";
+    public final String sdkVersion = "1.8";
 
     public String mcc;
     public String mnc;