OPENDJ-3417 Remove several backend-related methods from DirectoryServer class

Nicolas Capponi

03.41.2016 aaf1f09351c43d52009c6b53b93eb153ace8428e

 opendj-server-legacy/src/main/java/org/opends/server/tools/ExportLDIF.java

@@ -634,7 +634,7 @@
  @Override
  protected void cleanup()
  {
    DirectoryServer.shutdownBackends();
    DirectoryServer.getInstance().getServerContext().getBackendConfigManager().shutdownLocalBackends();
  }

  private Set<AttributeType> toAttributeTypes(StringArgument attributeArg)