Make features that are in development unaccessible.

Add missing imports.
Prep for release 0.5.0 - Sandgroper

app/src/main/java/info/nightscout/android/medtronic/MainActivity.java

@@ -277,7 +277,7 @@ public class MainActivity extends AppCompatActivity implements OnSharedPreferenc
                 .withSelectedItem(-1)
                 .addDrawerItems(
                         itemSettings,
-                        itemUpdateProfile,
+                        //itemUpdateProfile, // TODO - re-add when we to add Basal Profile Upload
                         itemRegisterUsb,
                         itemCheckForUpdate,
                         itemClearLog,
@@ -399,8 +399,9 @@ public class MainActivity extends AppCompatActivity implements OnSharedPreferenc
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case R.id.action_menu_status:
-                Intent intent = new Intent(this, StatusActivity.class);
-                startActivity(intent);
+                // TODO - remove when we want to re-add the status menu item
+                //Intent intent = new Intent(this, StatusActivity.class);
+                //startActivity(intent);
                 break;
         }
         return true;

app/src/main/java/info/nightscout/android/medtronic/message/CloseConnectionRequestMessage.java

 package info.nightscout.android.medtronic.message;
 
 import java.io.IOException;
+import java.util.concurrent.TimeoutException;
 
+import info.nightscout.android.USB.UsbHidDriver;
 import info.nightscout.android.medtronic.MedtronicCnlSession;
 import info.nightscout.android.medtronic.exception.ChecksumException;
 import info.nightscout.android.medtronic.exception.EncryptionException;