Move config.xml parsing into its own Config class

Now the parsing happens very early in the bootstrap process, before
loadUrl() is called. This enables a future change to put the start page
in config.xml instead of hardcoding it.

bin/templates/project/Activity.java

@@ -19,7 +19,6 @@
 
 package __ID__;
 
-import android.app.Activity;
 import android.os.Bundle;
 import org.apache.cordova.*;
 
@@ -29,6 +28,7 @@ public class __ACTIVITY__ extends DroidGap
     public void onCreate(Bundle savedInstanceState)
     {
         super.onCreate(savedInstanceState);
+        Config.init(this);
         super.loadUrl("file:///android_asset/www/index.html");
     }
 }