* Stores minimal main application window location and size/layout settings
to allow application to be restored to the same size/location on
restart.
* Adds column width monitor to all tables in application that stores the
column width settings in the user preferences so that on restarting
the application the table column widths are restored to the previous
widths.
the lost connection timeout from default of 60 seconds down to 5 seconds
so that the connection state updates more quickly. Removed complex
error handling and replaced with a simpler approach to catch an error
and disconnect and then attempt a reconnect.
Added new 'Network Unavailable' error state that detects when the network
connection is unavaialable.
Updated the icecast metadata updater to close the TCP session after
successfully writing metadata to the socket.
