Fix metric_list message version check (#11)

* Miscellaneous improvements

Added required dependencies in the setup script
Improved logging during dataset creation
Added README.md file

Change-Id: I67e98938f3660656d2ced916f258dfe5d475ecd3

* Readme file location correction

Corrected the location of the README.md file

Change-Id: I89b86b7471123d653592cd98f513ff25181d2520

* Environment variable correction

Added default value for an environmental variable

Change-Id: I81ca8f427c78aaec62d3eef9bad47d685e2a84ba

* Small configuration file improvements

* Corrected the publishing of forecasts for a particular application

* Retrieve the appropriate publisher to publish predictions, using the application name

* Fix the check for metric_list message version

exponential-smoothing-predictor/src/runtime/Predictor.py

@@ -306,13 +306,14 @@ def on_message(self, key, address, body, context, **kwargs):
 
             logging.info("New monitoring data arrived at topic "+address)
             if address == 'metric_list':
+
                 application_name = body["name"]
                 message_version = body["version"]
                 application_state = None
                 individual_application_state = {}
                 application_already_defined = application_name in EsPredictorState.individual_application_state
                 if ( application_already_defined and
-                   ( message_version == EsPredictorState.individual_application_state[application_state].message_version )
+                   ( message_version == EsPredictorState.individual_application_state[application_name].message_version )
                 ):
                     individual_application_state = EsPredictorState.individual_application_state
                     application_state = individual_application_state[application_name]