Merge pull request #2 from dennishendriksen/master

Fix HTML typo
Changed sub menu's from hover to a flat list with small left padding for submenu items
Merge branch 'master' of github.com:Mark-de-Haan/molgenis
Merge branch 'master' of https://github.com/Mark-de-Haan/molgenis
Made non clickable links in drop down a drop down header
Merge branch 'master' of https://github.com/Mark-de-Haan/molgenis
Made a recursive free marker template to allow for infinite nesting of sub menu's
Add unit tests for Elasticsearch batch search
Merge branch 'master' of https://github.com/Mark-de-Haan/molgenis