Revision 290221

Resolving: MNG-878, MNG-880 (again)

o Added full resolution of plugins listed in the project hierarchy
o Added better resolution of snapshots within the reactor, and resolution of ${finalName}
o Added usage of fully inherited model for release-pom.xml, to enable convergence of all POM inheritance to a single POM with no parent.
o Improved handling of SCM info in a reactored situation.