better logging for the resource indexer and index/populate commands
Merge pull request #218 from evillemez/indexer

better logging for the resource indexer and index/populate commands
Additional debugging information in mergeResources
Merge pull request #220 from DavidMikeSimon/master

Additional debugging information in mergeResources
In UriContentSubscriber, no longer trying to merge from null data
Merge pull request #221 from DavidMikeSimon/master

In UriContentSubscriber, no longer trying to merge from null data