CB-5614 Include path to file when config.xml fails to parse

https://github.com/apache/cordova-cli/pull/108
CB-5613 use throw Error to include stack information for -d
CB-5613 Never hide stack trace on uncaughtExceptions.

Uncaught exceptions are bugs, so stack traces are always helpful.
CB-5619 Avoid Error: Error ...

Prevent errors like the following:
[Error: Error fetching plugin: Error: error: Could not fetch package information for imaginary.plugin]

https://github.com/apache/cordova-cli/pull/109