Update doc for the Kafka export module

docs/gw/kafka.rst

@@ -30,7 +30,7 @@ Stats  are sent in native ``JSON`` format to the topic:
 
 Example of record for the memory plugin:
 
-.. code-block::
+.. code-block:: ini
 
     ConsumerRecord(topic=u'glances', partition=0, offset=1305, timestamp=1490460592248, timestamp_type=0, key='mem', value=u'{"available": 2094710784, "used": 5777428480, "cached": 2513543168, "mem_careful": 50.0, "percent": 73.4, "free": 2094710784, "mem_critical": 90.0, "inactive": 2361626624, "shared": 475504640, "history_size": 28800.0, "mem_warning": 70.0, "total": 7872139264, "active": 4834361344, "buffers": 160112640}', checksum=214895201, serialized_key_size=3, serialized_value_size=303)
 

docs/man/glances.1

 .\" Man page generated from reStructuredText.
 .
-.TH "GLANCES" "1" "Mar 19, 2017" "2.9.0_DEVELOP" "Glances"
+.TH "GLANCES" "1" "Mar 25, 2017" "2.9.0_DEVELOP" "Glances"
 .SH NAME
 glances \- An eye on your system
 .