Make XmlKeywordSearchList pubic to allow NBM classes to be property change listeners
Create keyword lists manager to establish an appropriate public interface
Rework initial API of new keyword lists manager class
Rework initial API of new keyword lists manager class, part 2
Remove commented out code in XmlKeywordSearchList.java
Merge pull request #898 from rcordovano/keyword_search_manager

Cretae keyword lists manager