code: public Config setProperty(String name, String value) {
          properties.put(name, value);
          return this;
      }
docs: Sets the value of a named property.
  
  @param name  property name
  @param value value of the property
  @return this config instance
  @see <a href="http://docs.hazelcast.org/docs/latest/manual/html-single/index.html#system-properties">
  Hazelcast System Properties</a>