[maven-release-plugin] copy for tag dnet-pace-core-1.3.0
merged from branch configurationId
merged branch ProtoMapping
refactored normalization functions, updated cleanup behavior
fixed blacklist type
added toString
extended dedup configuration, including now blacklists and algorithm parameters
removed protocolbuffers dependency from dnet-pace-core, Builders and Proto specific tests moved in dnet-openaireplus-mapping-utils, adapted dnet-mapreduce-jobs
merged from branch 1.1.0