Insights client don't parse the apache config files correctly when it contains Unicode characters

Issue

• Insights client don't parse the apache config files correct when it will contains Unicode characters and fails with the below traceback:

  Traceback (most recent call last):
  File "/var/lib/insights/last_stable.egg/insights/core/plugins.py", line 170, in invoke
  r = self.component(d)
  File "/var/lib/insights/last_stable.egg/insights/parsers/httpd_conf.py", line 160, in _init_
  super(HttpdConfBase, self)._init_(*args, **kwargs)
  File "/var/lib/insights/last_stable.egg/insights/core/_init.py", line 89, in __init_
  self._handle_content(context)
  File "/var/lib/insights/last_stable.egg/insights/core/_init_.py", line 92, in _handle_content
  self.parse_content(context.content)
  File "/var/lib/insights/last_stable.egg/insights/core/_init_.py", line 347, in parse_content
  self.doc = self.parse_doc(content)
  File "/var/lib/insights/last_stable.egg/insights/parsers/httpd_conf.py", line 165, in parse_doc
  result = self.parse(content)[0]
  File "/var/lib/insights/last_stable.egg/insights/parsers/httpd_conf.py", line 84, in _call_
  raise ParseException("There was an exception when parsing one of the httpd config files.")
  insights.core.exceptions.ParseException: There was an exception when parsing one of the httpd config files.