code: @SuppressWarnings("unchecked")
      @Override
      protected Project initProject() {
          Collection errors = new ArrayList();
          String projectFilePathOrURI = getProjectIdentifier();
          return new Project(projectFilePathOrURI, errors);
      }
docs: Opens the project specified by the file path or URI given in
  the constructor.
  
  @return a Protege {@link Project}.
  @see ConnectionManager#initProject()