Feature: log connection errors in checkInstalling

Log errors that occur while checkInstalling is running.

Since this is the most likely place to have a connection string problem,
it's good to log it explicitly -- because when it fails another error that
is less informative will be reported to the console anyway.
Feature: log to console prior to loading configuration

When the Logging library is loaded, initially configure it with console logging
so that the bootstraping process has a means to deliver log messages.