Remove RootConfPaths.
Add ability to warn for use of deprecated paths.
Prefer this formatting, rather.
Rework PathUtils.

* Add processing for a new @Moved annotation for moving content to other
paths.
* Remove deprecated paths.
* Changed visibility of some static methods.
* Moderate renaming.
* Remove unused set.
* Ensure only string fields are processed (potential future issue).
[BLEEDING] Move configuration for logging back-ends to sub-sections.