fix "undefined" in case of mref search values
fixed styling + accidental commit
Merge pull request #1868 from bartcharbon/master

fix "undefined" in case of mref search values
Merge branch 'master' of https://github.com/molgenis/molgenis into feature/indexingrepo

Conflicts:
	molgenis-omx-dataexplorer/src/main/resources/js/dataexplorer-filter.js