OPENDJ-1848: simplify DatabaseContainer and Storage APIs

Matthew Swift

14.48.2015 7690cb21d051728c5b72a99a2c1cc50f8e907f8e

 opendj-server-legacy/src/main/java/org/opends/server/backends/pluggable/RootContainer.java

@@ -549,10 +549,7 @@
        ec.exclusiveLock.unlock();
      }
    }

    compressedSchema.close();
    config.removePluggableChangeListener(this);

    if (storage != null)
    {
      storage.close();