Implement option to copy metadata between structural elements
Get things to work
Ignore MetadataTypeNotAllowedException, log debug message
Add sensible toString() methods
Do not report non-related errors from subroutine
Fix NullPointerException
Correct description
Added access modifier and javadoc
Merge pull request #199 from matthias-ronge/issue_170

Merge:  Populate metadata fields with other fields’ values if empty after import (#170)