- SortPomCfg needs no dependencies, just Strings and booleans
- SortPomCfg now has the default values, which simplifies plugin-maven/.../SortPom.java
- SortPomStep does the JarState and classloader stuff

…ineClass`, and `com.diffplug.spotless` with `buildToolClassLoader`. This unifies FeatureClassLoader with DelegatingClassLoader.

…`SortPomFormatterFunc` needs `src/sortPom/java`.