Remove derelict code
Removed old entity and some unused classes
Remove QueryJoinRule
Move code back to molgenis-data
Merge branch 'master' of https://github.com/molgenis/molgenis

Conflicts:
	molgenis-data-csv/pom.xml
	molgenis-data-excel/pom.xml
	molgenis-data-jpa/pom.xml
Fix test
Version nr
Version nr
#2150
Merge pull request #965 from jjettenn/master

#2150
Merge pull request #964 from erwinwinder/master

Removed unused code and moved data code back to molgenis-data
Merge branch 'master' of github.com:molgenis/molgenis into fix/850
Use application listeren for JPA entity source registration
Merge pull request #966 from dennishendriksen/master

Use application listeren for JPA entity source registration
#2306
issue: 850
branch: fix/850
#2306
Merge branch 'master' of github.com:molgenis/molgenis into fix/850