Add ADTs for match events
Add transformer from PA match events to ADTs
Add aggregate functions for calcualting current score based on previously seen events
Use PA's event stream for tracking matches instead of just the match day
Update to use PA client 4.3
Add better logging for when goals are scored
Add some debug level logging
Merge pull request #11 from guardian/pushy-128-use-events-stream

Use PA's events stream for notifications