DDF-627 added in the setting of some queryReponse properties to report back the sites that were queried, the total results, the retrieved results and the elapsed time for each source.
DDF-627 Fixed misspelling of the word elapsed in debug and variable name
Merge pull request #26 from jvettraino/2.5.x-627

DDF-627 - Added support for additional source specific responseProperties to federation strategy