Change log level to INFO + add console logging in development

Daniel Woznicki requested to merge dwoznicki/tildes:dev-log-level into master

This MR is in response to an issue I had getting logging to work. I was surprised to find that

  1. Server logs are not written to disk.
  2. The logging level is set to WARNING by default. Most systems I've worked with use INFO as the default log level.

Solution comes from @Bauke:

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