am 9c0798e0: issue 28: fix Sanitizer.STYLES by changing PolicyFactory to store globals and apply its globals to the other factory when combining PolicyFactories via PolicyFactory.and

* commit '9c0798e090ee7db347657ed2b8604ce26fbe74d1':
  issue 28: fix Sanitizer.STYLES by changing PolicyFactory to store globals and apply its globals to the other factory when combining PolicyFactories via PolicyFactory.and