Fix critical bug in V2 and other smartphones when LiveTracker was activated by user setting interval to 1 or more seconds, and no internet connection.
After a period of time between 3 and 4 hours the PNA memory was saturated and the program was crashing.
Bug due to not closing the socket after opening, causing a memory leak. This bug was existing also in LK 4.
Work done with bruno.
Default Airspace warning timeout set to 10 seconds, message repeat time if not ack set to 15 minutes (previously 5 minutes)
Default bar opacity set from 65 to 75