Merge pull request #26 from bartcharbon/master

removed commented lines of code
introduced nested type to the index in order to index multiple samples for the same person in PALGA
Merge branch 'master' of https://github.com/molgenis/molgenis-palga
fixed the nested mappings for MREF in PALGA
removed the comments
Merge pull request #27 from ChaoPang/master

Introduced nested type in the index to handle MREF field in PALGA importer
combine storing a list of mrefs with nested type
Merge branch 'master' of https://github.com/molgenis/molgenis-palga
disable source of palga sample in ElasticSearch
added data explorer wizard related RunTimeProperties in database populator
Merge pull request #28 from ChaoPang/master

Changed the way the index is created
for the mref (e.g. diagnose) only the labelAttribute is stored instead of everything
Merge branch 'master' of https://github.com/molgenis/molgenis-palga
removed a comma
Merge pull request #29 from ChaoPang/master

Stored LabelAttribute only for the MREF fields instead of everything
Change dataset label Palga
Merge branch 'master' of https://github.com/molgenis/molgenis-palga
Merge pull request #30 from jjettenn/master

Change label Palga Sample
fixed the retrieval term bugs
Merge branch 'master' of https://github.com/molgenis/molgenis-palga