Issue #2132
- System entity's can be generated for super user.
- There are security tests generated for EntityService's 
- Menu labels for MolgenisUser, MolgenisGroup, MolgenisGroupMember under
entities label.
- Bug fix fixed generated form couldn't be edited.
- Bug fix fixed static AUTHORITY_ENTITY_WRITE_PREFIX was not correct.
Merge pull request #826 from jjettenn/master

Issue #2132
Bug fix: update link to data explorer plugin
Merge branch 'master' of https://github.com/molgenis/molgenis
Bug fix: re-introduce permission manager plugin
Merge pull request #827 from dennishendriksen/master

Bug fix: update link to data explorer plugin
Update README.md
Horizontally center spinner image
Move spinner div from footer to js
Clean up css, move footer to bootstrap container
Clean up
Merge branch 'master' of https://github.com/molgenis/molgenis
Move data tables to molgenis-app-ngs
Merge pull request #830 from dennishendriksen/master

Spinner fixes + css cleanup
Merge branch 'master' of https://github.com/molgenis/molgenis into genomebrowser