Add comments to clarify how get_feed_date works
Change addNodeForGame to follow underscore naming, move node creation into function
Rename addNodeForGameOpponent and addNodeForGameOpponentType to match
underscore naming.
Change Type suffix in node title to be a prefix
Tidy up message displayed when no feeds/videos are available, checking if game has ended or not.
Remove non-existent quality (2400)
Merge remote-tracking branch 'origin/bellmounte-fixes'

* origin/bellmounte-fixes:
  Remove non-existent quality (2400)
  Tidy up message displayed when no feeds/videos are available, checking if game has ended or not.
  Rename addNodeForGameOpponent and addNodeForGameOpponentType to match underscore naming. Change Type suffix in node title to be a prefix
  Change addNodeForGame to follow underscore naming, move node creation into function
  Add comments to clarify how get_feed_date works
Fix user agents