public static void loadGemFireProperties(Properties properties, boolean ignoreGemFirePropsFile)
      throws GemFireIOException {
    if (!ignoreGemFirePropsFile) {
      loadPropertiesFromURL(properties, DistributedSystem.getPropertyFileURL());
    }
    // load the security properties file
    loadPropertiesFromURL(properties, DistributedSystem.getSecurityPropertiesFileURL());
  }
Loads the properties from gemfire.properties & gfsecurity.properties files into given
Properties object. if <code>ignoreGemFirePropsFile</code> is <code>true</code>, properties are
not read from gemfire.properties.

@param properties the Properties to fill in
@param ignoreGemFirePropsFile whether to ignore properties from gemfire.properties

@throws GemFireIOException when error occurs while reading properties file
geode-core/src/main/java/org/apache/geode/distributed/internal/DistributionConfigImpl.java