Expanded reservation sending capabilities and options.

Port 9243 Listening Expansion:
-Added option to enable/disable listening (default disabled) to Setup
-Added automatic UPnP Mapping
--Options Port 9243 on your network so others can connect to your computer over the internet
-Added option to stop listening for connections after program is started
--Currently unable to start listening for connections once terminated
--Currently kills all connections already made to program
-Made program prompt before accepting connection, can decline connection
--Window pops up when connection found
-Made program able to automatically accept or decline new connections
--Can change between auto-accept, auto-decline, and ask user at any time
-Made program auto-decline new connections after 60 seconds of no user input when program is set to ask user for accept/deny of new connection

Other:
-Added method to Browser.java to get showclix link
-Changed version to 2.0.0.7.1
-Made version number display in Status window title
-Made Update no longer display PAX Checker in title or header
-Made program terminate from all non-daemon Threads ending instead of GUI close calling EXIT_ON_CLOSE in Swing

...I probably missed a few things, as always.