Misc fixes and sync on connectivity works.

* Export connectivity monitor.
* Sync works properly when data was available, but we need to find why
there is more messages than we need when we get them.
* add missing files

src/fr/unix_experience/owncloud_sms/enums/MailboxID.java

@@ -29,4 +29,5 @@ public enum MailboxID {
 	INBOX,
 	SENT,
 	DRAFTS,
+	ALL,
 }