code: public static ClientConnectionManager createConnectionManagerWithExtraTrust(Collection<KeyStore> trustStores) throws KeyManagementException, KeyStoreException {
      	return createConnectionManager(BetterSSLFactory.createSocketFactory(trustStores));
      }
docs: Creates a connection manager with extended trust relations. It would
  use both default system trusted certificates as well as all certificates
  defined in the <code>trustStores</code>.
  @param trustStores list of additional trust stores.
  @return connection manager with extended trust relationship.