Removed dependency to dnet-oai-utils to avoid inheritance of unwanted jars such as cnr-rmi-api, cnr-service-common, spring, etc., which should not appear when running a job on the cluster. Needed classes have been copied and adapted so they do not use spring anymore.
OAI feed map only job
merged from branch 0.0.4
added early implementation of OAI feeding job (M/R)