Fixes encoding problem on Windows systems, with minimal changes to existing code.

Author: JoaoRodrigues

bin/util.py

@@ -117,8 +117,8 @@ def read_markdown(parser, path):
     # Parse Markdown.
     cmd = 'ruby {0}'.format(parser)
     p = Popen(cmd, shell=True, stdin=PIPE, stdout=PIPE,
-              close_fds=True, universal_newlines=True)
-    body = str(body.encode('utf-8'))
+              close_fds=True, universal_newlines=True, encoding='utf-8')
+
     stdout_data, stderr_data = p.communicate(body)
     doc = json.loads(stdout_data)