added functions to retrieve users from SecurityWebAppDatabasePopulators for use in app-specific WebAppDatabasePopulators
ChangePassword is required
Merge pull request #1500 from erwinwinder/master

ChangePassword is required
Merge branch 'master' of https://github.com/molgenis/molgenis
Merge branch 'master' of https://github.com/molgenis/molgenis

Conflicts:
	molgenis-security/src/main/java/org/molgenis/security/MolgenisSecurityWebAppDatabasePopulatorServiceImpl.java
Merge pull request #1501 from dennishendriksen/master

Elasticsearch repository + small improvements and fixes
formatting
Merge pull request #1498 from bartcharbon/master

added functions to retrieve users from SecurityWebAppDatabasePopulators ...
Merge branch 'master' of https://github.com/molgenis/molgenis