Handle bad log messages, add log-level,log-stdout cli args

[john-michaelburke]

Implements

• Handle bad log messages. When the console starts with Debug logging enabled there were a few messages that have escaped quotation chars which would cause the console to crash so this regex should remove those.
• Add cli argument for setting the log level, on master the default log level was WARNING so no lower-level warnings would get dumped to a file/console until you start the console and then set the level. I think adding this as an argument is pretty reasonable, but if there is pushback, we can set it as hidden.
• Add cli argument for dumping logs to stdout. I find it is much easier to debug an issue if we can dump the logs to a terminal window instead of a separate log file every time the console starts. Again if there is pushback we can set the argument to hidden.

[swiftnav-travis]

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