updated mapping
integrated changes performed on trunk
adapted wrappers to the pace model extensions.
extended mapping from protocolbuffer objects, implemented ExactMatch and overrideMatch configuration param
proto to pace mapping parses the whole entity
branch to adapt the proto to pace mapping
removed protocolbuffers dependency from dnet-pace-core, Builders and Proto specific tests moved in dnet-openaireplus-mapping-utils, adapted dnet-mapreduce-jobs
class moved to src/main/java
unit test
added some checks
updated cf names and added relClasses
merged from branch 2.0.0