merging trunk changes with IIS-CDH-5.3.0 branch
#1197 introducing job.properties changes aligning paths to rumcajs cluster HDFS structure
creating IIS-CDH-5.3.0 branch
#953 extending maximum heap size from 2048 to 4096 after Dominika introduced iText dependency upgrade to 5.5.3 in cermine. This combination should minimize the possibility of failures caused by fatal OOMErr.
#913 renaming DocumentContentUrl#contentSize to DocumentContentUrl#contentSizeKB changing field type from int to long, importing content size from ObjectStoreFile#fileSizeKB, updating dnet-objectstore-rmi dependency from 1.0.0 to 2.0.1-SNAPSHOT
#913 reading content size from newly introduced DocumentContentUrl#contentSize field not from URLConnection where size is not available when Transfer-Encoding=chunked, setting to 0 when size is not available
#913 introducing support for max file size parameter, currently checked against Content-Lenght header
affiliation's address and country code passed from Cermine to Avro
fixing converter code after recent Affiliation.avdl refactoring and adding countryCode field, renaming contry to countryName
convertBibEntry() made public
setting excluded_ids to undefined value