Hard to get CT4E logging

We do our logging via java.util.logging, which isn't captured by the Eclipse logs. It would be useful to introduce a logging bridge to (somehow) also log to the Eclipse `.metadata/.log` file. Such bridging would allow seeing errors from the Eclipse _Error Log_ view, and also simplify submitting error reports.

This bridge should be abled to be disabled with a system property, and should also try to detect situations where the `com.google.cloud.tools.**` is already being logged to something other than the console log (e.g., already being handled by something else).