Authors: Always Check Log.txt

If you are developing an add-on for X-Plane, you should always check the log file (Log.txt) after running.  (Remember, the sim must quit before the log file is completely written to disk.)

There are three times you should check the log:

1. Any time your content doesn't look the way you expect.  (Perhaps the error is described in more detail in the log file.
2. Any time there is an error (especially the "a problem with the package X" message, which is always accompanied by details in the log).
3. Right before posting your work as a last check.

Posting errors to the log gives us a way to provide verbose feedback to authors when the sim hits a problem without making the user experience too horrible; minor errors are logged and major errors are mentioned to the user only once per package and logged.  

The flip side of this is that if you are working on content, you need to seek out these error log messages; the alternative is to have the sim quit every time something goes wrong.