Fix issues reported by FindBugs
Add logging
Merge branch 'master' of https://github.com/Mark-de-Haan/molgenis
Merge branch 'master' of https://github.com/Mark-de-Haan/molgenis
Add unit tests for Elasticsearch batch search
Merge branch 'master' of https://github.com/Mark-de-Haan/molgenis
Merge pull request #1968 from dennishendriksen/master

Add unit tests for Elasticsearch batch search + fix FindBugs issues