[dnet workflow logger] added more logging
[dnet workflow logger] added support for compound indexes
using apache commons lang3
Re-added Mongo DB bean to logger, as it is currently needed to a class for updating the LOD in dnet-openaireplus-workflows.
save org.bson.Document instead of com.mongodb.DBObject
injecting bean by id. We have multiple mongoDB instances defined in the spring context
getting rid of Jongo and its jackson databind dependency
migrated to dnet45
codebase used to migrate to java8 the production system