Merge pull request #1242 from dennishendriksen/master

Various data explorer fixes
Show wizard on show dataexplorer when 'wizard=true' is present in the url.
Removed code that saves selected entity in cookie because it broke the functionallity that when 'dataset=celiacsprue' is present in the url it shows that entity.
Merge pull request #1243 from erwinwinder/master

Show wizard on show dataexplorer when 'wizard=true' is present in the ur...
Merge pull request #1244 from dennishendriksen/master

Apply filters to aggregates
fix categorical aggregates display name
Fix mref filter OR
fix categorical aggregates display name
Merge pull request #1246 from erwinwinder/master

Fix mref filter OR
Merge branch 'master' of https://github.com/molgenis/molgenis