decode the output as UTF-8 by default

This is handy since OpenGrok configuration can contain UTF-8 characters
(e.g. in RepositoryInfo) and Command class can be used to read such input.

Author: Vladimir Kotal

tools/sync/command.py

@@ -118,7 +118,7 @@ class OutputThread(threading.Thread):
             def __init__(self, event, logger):
                 super(OutputThread, self).__init__()
                 self.read_fd, self.write_fd = os.pipe()
-                self.pipe_fobj = os.fdopen(self.read_fd)
+                self.pipe_fobj = os.fdopen(self.read_fd, encoding='utf8')
                 self.out = []
                 self.event = event
                 self.logger = logger