Issue#2 (#3)
* [realtime] Fixing bug with the realtime Unsubscribe which leads to duplicate subscriptions
* [realtime] Fixes [#2] by adding correct handling of the /meta/connect responses to the server so the connection does not timeout after 2 hours
* [realtime] Refactoring realtime client to be more synchronous when sending meta commands to the server
* [alarms] Adding corner case when Bulk Alarm Updates aren't processed immediately by the server
* [deviceCredential] Fixing bug where the polling would not stop when the timeout timer triggers
