Updates and fixes to Solr 4.2 and ES 0.90 comparison.
Merge pull request #2 from eliaslevy/comparison-updates

Updates and fixes to Solr 4.2 and ES 0.90 comparison.
point out a long-standing, critical ES bug
Merge pull request #3 from piskvorky/patch-1

point out a long-standing, critical ES bug
Improve facet count desc. for ES