clean up supported molgenis field types
backport typed values from omx3
add converters/decorators for typed values
map all supported molgenis field types to elastic search data types
use value converters + add type information to fields
use value converters
format values based on data type
use value converters
add tests
fix hyperlink decorator, add tests
add constructor check
add value contained by observedvalue to db (else decorators are bypassed)
add html data type
add html support + small fixes
Merge pull request #424 from dennishendriksen/master

Dataexplorer support all data types