remove printStackTrace statement
only match on xref fields, not on non-xref fields with same value
add ObservedValue panel
Merge pull request #273 from dennishendriksen/master

Improved xref indexing/searching + small stuff
Fix standalone JpaDatabase use by autowiring EntityManagerFactory
Merge branch 'master' of https://github.com/molgenis/molgenis
remove support for multiple persistence units
use default persistence unit name
fix for standalone app
fix documentation links in importer
Merge pull request #274 from dennishendriksen/master

Do not use proxymode for prototype JpaDatabase beans + fix docs