Add broadcast received to detect connectivity changes (only detect there is a change a this time, we need to know what change is it and if we need to do something)

* Also remove useless function into IncomingSms
* Add new notification type DEBUG to debug program if no debogger was available when dev

src/fr/unix_experience/owncloud_sms/broadcast_receivers/ConnectivityChanged.java

@@ -0,0 +1,18 @@
+package fr.unix_experience.owncloud_sms.broadcast_receivers;
+
+import fr.unix_experience.owncloud_sms.notifications.OCSMSNotificationManager;
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+import android.util.Log;
+
+public class ConnectivityChanged extends BroadcastReceiver {
+
+	@Override
+	public void onReceive(Context context, Intent intent) {
+		Log.d(TAG,"ConnectivityChanged.onReceive");
+		(new OCSMSNotificationManager(context)).setDebugMsg("ConnectivityChanged");
+	}
+	
+	private static final String TAG = ConnectivityChanged.class.getSimpleName();
+}

src/fr/unix_experience/owncloud_sms/broadcast_receivers/IncomingSms.java

@@ -29,10 +29,6 @@ public class IncomingSms extends BroadcastReceiver {
 
 	@Override
 	public void onReceive(Context context, Intent intent) {
-		launchSmsObserver(context);
-	}
-	
-	public static void launchSmsObserver(Context context) {
 		if (_mboxObserver == null) {
 			Log.d(TAG,"_mboxObserver == null");
 			_mboxObserver = new SmsObserver(new Handler(), context);