D-Net

[maven-release-plugin] prepare for next development iteration

[maven-release-plugin] copy for tag dnet-openaireplus-mapping-utils-6.2.22

[maven-release-plugin] prepare release dnet-openaireplus-mapping-utils-6.2.22

why not expose a method to commit the pending changes?

fix error on parsing abstract

updated to consider the new class Utils and the new values in Propagation Constants classes

updated to store properties of the value

class to contain the methods common to the propagation classes among the propagation types

update of the constants for the propagation

map-reduce to implement the propagation of the association between project and result through the existence of semantic relations