Changed the design of the FilterableLogReader in staradmin, forcing it to be instantiated before consumed, making it easier to later extend with futher filtering options.
Changed the design of the LogConsole to allow an easier user experience in terms of configuring the output.
Extended LogConsole to support simplified output of the host.
Extended staradmin command-line to support specifying the severity level of logs to display using the 'staradmin log' command.
Made 'staradmin log' support filtering on a specific log source.