Merge pull request #486 from pdopheide/master

renamed the col7a1
fixed a major in catalogue that protocol might be duplicated twice with some queries
Merge pull request #487 from ChaoPang/master

Fixed a major in catalogue that protocol might be duplicated twice with some queries
allow elasticSearch to search on all fields if the documentType is left null
Merge branch 'master' of https://github.com/molgenis/molgenis
Merge pull request #488 from ChaoPang/master

Allow elasticSearch to search on all fields if the documentType is left 'null'
put back the old version of ElasticSearchService
allow documentType to be null
Merge branch 'master' of https://github.com/molgenis/molgenis
put back previous version
Update README.md

Added details on tool dependency management with the Environment Modules system.
Update README.md
Merge pull request #491 from ChaoPang/master

put back the old version of ElasticSearchService