Runs text through pandoc for smartquote correction.

def smartquotes(text):
    """
    Runs text through pandoc for smartquote correction.
    """
    command = shlex.split('pandoc --smart -t plain')
    com = Popen(command, shell=False, stdin=PIPE, stdout=PIPE, stderr=PIPE)
    out, err = com.communicate(text.encode('utf-8'))
    com_out = out.decode('utf-8')
    text = com_out.replace(u'\n', u' ').strip()
    return text