Revert "removed REST interface"

This reverts commit 11ec07fb13d44462dea198b69d7a99a9a87f7443.

Conflicts:
	delivery/interfaces/pom.xml
made rest interface work again
removed goldin plugin
made all tests in core work again
Merge remote-tracking branch 'origin/restInterface'

Conflicts:
	delivery/interfaces/pom.xml