Pause counting to avoid problems of overlapping pause / unpauses, add event to notify of the intention to rebuild the index, so that overhead of tracking unnecessary indexing can be reduced

webapp/test/stubs/edu/cornell/mannlib/vitro/webapp/modules/searchIndexer/SearchIndexerStub.java

@@ -31,11 +31,6 @@ public class SearchIndexerStub implements SearchIndexer {
 		paused = true;
 	}
 
-    @Override
-    public void pauseInAnticipationOfRebuild() {
-        paused = true;
-    }
-
     @Override
 	public void unpause() {
 		paused = false;