Convert empty strings to null
Merge branch 'master' of https://github.com/molgenis/molgenis
Added comment
Fix subforms
Merge pull request #1422 from jjettenn/master

 Fix: Unload does not work (molgenis #1421 also related to molgenis-lifelines #64)
Merge pull request #1419 from erwinwinder/master

Convert empty strings to null
Removed unused code
Use typed methods
Fix forms for omx repos
Fix: check for protocol with no features
Merge pull request #1423 from dennishendriksen/master

Fix: check for protocol with no features
Merge branch 'master' of https://github.com/molgenis/molgenis
added synchronous protocol index function
remove annotation
Use java 1.7
EntityClass details
Merge pull request #1424 from bartcharbon/master

added synchronous protocol index function
Merge branch 'master' of https://github.com/molgenis/molgenis
fix natural sorting catalogtree
Prettyfied the details screen