FEND-866 added logic to accommodate new facebook data format
TNG-41: moving around some solr test files.
TNG-41: update ambra embedded solr tests to use solr v4.  A bit of dependency-juggling also required due to changes in the libraries that solr 4 uses.  The updated test found one existing bug in SolrSearchService (there are likely more).
Merge branch 'fend866'
A fix for PBUG-153, stop building up a list of null values
Merge branch 'master' into jan_r2