removed VTD Parser cause there was a problem on parsing huge xml
updated hadoop job configurations, added helpers
Adapted pangaea transformation rule
refactoring and simplifying the HBase mapping mechanism
mvn clean deletes the protoc generated source files
introduced datasets as main entities
using custom protoc maven plugin, adapted proto schemas, introduced extensions
renaming
fixed pom
migrated from dnet-openaire-domain
removed java 1.7 constraints
fixed dependencies
tests, added openaire profiles
first porting