String cleanups and responded to most comments.

MyTracks/src/com/google/android/apps/mytracks/WelcomeActivity.java

@@ -15,6 +15,7 @@
  */
 package com.google.android.apps.mytracks;
 
+import com.google.android.apps.mytracks.util.MyTracksUtils;
 import com.google.android.maps.mytracks.R;
 
 import android.app.Activity;
@@ -74,6 +75,6 @@ public class WelcomeActivity extends Activity {
     AlertDialog dialog = builder.create();
     dialog.show();
     ((TextView) dialog.findViewById(R.id.about_version_register)).
-        setText(MyTracks.getMyTracksVersion(this));
+        setText(MyTracksUtils.getMyTracksVersion(this));
   }
 }